diff --git a/core-java-modules/core-java-lang-oop-2/.gitignore b/core-java-modules/core-java-lang-oop-2/.gitignore deleted file mode 100644 index 36aba1c242..0000000000 --- a/core-java-modules/core-java-lang-oop-2/.gitignore +++ /dev/null @@ -1,4 +0,0 @@ -target/ -.idea/ -bin/ -*.iml \ No newline at end of file diff --git a/core-java-modules/core-java-lang-oop-2/README.md b/core-java-modules/core-java-lang-oop-2/README.md deleted file mode 100644 index c48a3f5cd9..0000000000 --- a/core-java-modules/core-java-lang-oop-2/README.md +++ /dev/null @@ -1,18 +0,0 @@ -## Core Java Lang OOP (Part 2) - -This module contains articles about Object-oriented programming (OOP) in Java - -### Relevant Articles: -- [Generic Constructors in Java](https://www.baeldung.com/java-generic-constructors) -- [Cannot Reference “X” Before Supertype Constructor Has Been Called](https://www.baeldung.com/java-cannot-reference-x-before-supertype-constructor-error) -- [Anonymous Classes in Java](https://www.baeldung.com/java-anonymous-classes) -- [Raw Types in Java](https://www.baeldung.com/raw-types-java) -- [Marker Interfaces in Java](https://www.baeldung.com/java-marker-interfaces) -- [Java equals() and hashCode() Contracts](https://www.baeldung.com/java-equals-hashcode-contracts) -- [Immutable Objects in Java](https://www.baeldung.com/java-immutable-object) -- [Inheritance and Composition (Is-a vs Has-a relationship) in Java](https://www.baeldung.com/java-inheritance-composition) -- [A Guide to Constructors in Java](https://www.baeldung.com/java-constructors) -- [Static and Default Methods in Interfaces in Java](https://www.baeldung.com/java-static-default-methods) -- [Java Copy Constructor](https://www.baeldung.com/java-copy-constructor) -- [Abstract Classes in Java](https://www.baeldung.com/java-abstract-class) -- [[<-- Prev]](/core-java-modules/core-java-lang-oop)[[More -->]](/core-java-modules/core-java-lang-oop-3) diff --git a/core-java-modules/core-java-lang-oop-2/pom.xml b/core-java-modules/core-java-lang-oop-2/pom.xml deleted file mode 100644 index ccacaf7116..0000000000 --- a/core-java-modules/core-java-lang-oop-2/pom.xml +++ /dev/null @@ -1,51 +0,0 @@ - - - 4.0.0 - core-java-lang-oop-2 - 0.1.0-SNAPSHOT - core-java-lang-oop-2 - jar - - - com.baeldung - parent-java - 0.0.1-SNAPSHOT - ../../parent-java - - - - - - org.assertj - assertj-core - ${assertj-core.version} - test - - - nl.jqno.equalsverifier - equalsverifier - ${equalsverifier.version} - test - - - - - core-java-lang-oop-2 - - - src/main/resources - true - - - - - - - 3.10.0 - 3.0.3 - - - diff --git a/core-java-modules/core-java-lang-oop-3/README.md b/core-java-modules/core-java-lang-oop-3/README.md deleted file mode 100644 index 3a0e588ad4..0000000000 --- a/core-java-modules/core-java-lang-oop-3/README.md +++ /dev/null @@ -1,16 +0,0 @@ -## Core Java Lang OOP (Part 3) - -This module contains articles about Object-oriented programming (OOP) in Java - -### Relevant Articles: -- [Pass-By-Value as a Parameter Passing Mechanism in Java](https://www.baeldung.com/java-pass-by-value-or-pass-by-reference) -- [Access Modifiers in Java](https://www.baeldung.com/java-access-modifiers) -- [Guide to the super Java Keyword](https://www.baeldung.com/java-super) -- [Guide to the this Java Keyword](https://www.baeldung.com/java-this) -- [Java ‘public’ Access Modifier](https://www.baeldung.com/java-public-keyword) -- [Composition, Aggregation, and Association in Java](https://www.baeldung.com/java-composition-aggregation-association) -- [Nested Classes in Java](https://www.baeldung.com/java-nested-classes) -- [A Guide to Inner Interfaces in Java](https://www.baeldung.com/java-inner-interfaces) -- [Java Classes and Objects](https://www.baeldung.com/java-classes-objects) -- [Java Interfaces](https://www.baeldung.com/java-interfaces) -- [[<-- Prev]](/core-java-modules/core-java-lang-oop-2)[[More -->]](/core-java-modules/core-java-lang-oop-4) diff --git a/core-java-modules/core-java-lang-oop-3/pom.xml b/core-java-modules/core-java-lang-oop-3/pom.xml deleted file mode 100644 index cc9b473d03..0000000000 --- a/core-java-modules/core-java-lang-oop-3/pom.xml +++ /dev/null @@ -1,60 +0,0 @@ - - - 4.0.0 - core-java-lang-oop-3 - 0.1.0-SNAPSHOT - core-java-lang-oop-3 - jar - - - com.baeldung - parent-java - 0.0.1-SNAPSHOT - ../../parent-java - - - - - - log4j - log4j - ${log4j.version} - - - org.slf4j - log4j-over-slf4j - ${org.slf4j.version} - - - - org.assertj - assertj-core - ${assertj-core.version} - test - - - com.h2database - h2 - ${h2.version} - test - - - - - core-java-lang-oop-3 - - - src/main/resources - true - - - - - - 3.10.0 - - - diff --git a/core-java-modules/core-java-lang-oop-4/README.md b/core-java-modules/core-java-lang-oop-4/README.md deleted file mode 100644 index 51650dc1f6..0000000000 --- a/core-java-modules/core-java-lang-oop-4/README.md +++ /dev/null @@ -1,9 +0,0 @@ -## Core Java Lang OOP (Part 4) - -This module contains articles about Object-oriented programming (OOP) in Java - -### Relevant Articles: -- [Static and Dynamic Binding in Java](https://www.baeldung.com/java-static-dynamic-binding) -- [Methods in Java](https://www.baeldung.com/java-methods) -- [Java ‘private’ Access Modifier](https://www.baeldung.com/java-private-keyword) -- [[<-- Prev]](/core-java-modules/core-java-lang-oop-3) \ No newline at end of file diff --git a/core-java-modules/core-java-lang-oop-4/pom.xml b/core-java-modules/core-java-lang-oop-4/pom.xml deleted file mode 100644 index 3c7e4f446d..0000000000 --- a/core-java-modules/core-java-lang-oop-4/pom.xml +++ /dev/null @@ -1,60 +0,0 @@ - - - 4.0.0 - core-java-lang-oop-4 - 0.1.0-SNAPSHOT - core-java-lang-oop-4 - jar - - - com.baeldung - parent-java - 0.0.1-SNAPSHOT - ../../parent-java - - - - - - log4j - log4j - ${log4j.version} - - - org.slf4j - log4j-over-slf4j - ${org.slf4j.version} - - - - org.assertj - assertj-core - ${assertj-core.version} - test - - - com.h2database - h2 - ${h2.version} - test - - - - - core-java-lang-oop-4 - - - src/main/resources - true - - - - - - 3.10.0 - - - diff --git a/core-java-modules/core-java-lang-oop-constructors/README.md b/core-java-modules/core-java-lang-oop-constructors/README.md new file mode 100644 index 0000000000..0082969807 --- /dev/null +++ b/core-java-modules/core-java-lang-oop-constructors/README.md @@ -0,0 +1,8 @@ +## Core Java Lang OOP - Constructors + +This module contains article about constructors in Java + +### Relevant Articles: +- [A Guide to Constructors in Java](https://www.baeldung.com/java-constructors) +- [Java Copy Constructor](https://www.baeldung.com/java-copy-constructor) +- [Cannot Reference “X” Before Supertype Constructor Has Been Called](https://www.baeldung.com/java-cannot-reference-x-before-supertype-constructor-error) \ No newline at end of file diff --git a/core-java-modules/core-java-lang-oop-constructors/pom.xml b/core-java-modules/core-java-lang-oop-constructors/pom.xml new file mode 100644 index 0000000000..76507103ea --- /dev/null +++ b/core-java-modules/core-java-lang-oop-constructors/pom.xml @@ -0,0 +1,28 @@ + + + + core-java-modules + com.baeldung.core-java-modules + 1.0.0-SNAPSHOT + + 4.0.0 + + core-java-lang-oop-constructors + core-java-lang-oop-constructors + jar + + + + org.assertj + assertj-core + ${assertj-core.version} + test + + + + + 3.10.0 + + \ No newline at end of file diff --git a/core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/constructors/BankAccount.java b/core-java-modules/core-java-lang-oop-constructors/src/main/java/com/baeldung/constructors/BankAccount.java similarity index 99% rename from core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/constructors/BankAccount.java rename to core-java-modules/core-java-lang-oop-constructors/src/main/java/com/baeldung/constructors/BankAccount.java index b78b5937e1..b198492129 100644 --- a/core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/constructors/BankAccount.java +++ b/core-java-modules/core-java-lang-oop-constructors/src/main/java/com/baeldung/constructors/BankAccount.java @@ -6,7 +6,7 @@ class BankAccount { String name; LocalDateTime opened; double balance; - + @Override public String toString() { return String.format("%s, %s, %f", this.name, this.opened.toString(), this.balance); @@ -47,14 +47,13 @@ class BankAccountCopyConstructor extends BankAccount { this.opened = opened; this.balance = balance; } - + public BankAccountCopyConstructor(BankAccount other) { this.name = other.name; this.opened = LocalDateTime.now(); this.balance = 0.0f; } } - class BankAccountChainedConstructors extends BankAccount { public BankAccountChainedConstructors(String name, LocalDateTime opened, double balance) { this.name = name; @@ -65,4 +64,4 @@ class BankAccountChainedConstructors extends BankAccount { public BankAccountChainedConstructors(String name) { this(name, LocalDateTime.now(), 0.0f); } -} +} \ No newline at end of file diff --git a/core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/constructors/Transaction.java b/core-java-modules/core-java-lang-oop-constructors/src/main/java/com/baeldung/constructors/Transaction.java similarity index 100% rename from core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/constructors/Transaction.java rename to core-java-modules/core-java-lang-oop-constructors/src/main/java/com/baeldung/constructors/Transaction.java diff --git a/core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/copyconstructor/Employee.java b/core-java-modules/core-java-lang-oop-constructors/src/main/java/com/baeldung/copyconstructor/Employee.java similarity index 100% rename from core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/copyconstructor/Employee.java rename to core-java-modules/core-java-lang-oop-constructors/src/main/java/com/baeldung/copyconstructor/Employee.java diff --git a/core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/copyconstructor/Manager.java b/core-java-modules/core-java-lang-oop-constructors/src/main/java/com/baeldung/copyconstructor/Manager.java similarity index 100% rename from core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/copyconstructor/Manager.java rename to core-java-modules/core-java-lang-oop-constructors/src/main/java/com/baeldung/copyconstructor/Manager.java diff --git a/core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/supertypecompilerexception/MyClass.java b/core-java-modules/core-java-lang-oop-constructors/src/main/java/com/baeldung/supertypecompilerexception/MyClass.java similarity index 100% rename from core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/supertypecompilerexception/MyClass.java rename to core-java-modules/core-java-lang-oop-constructors/src/main/java/com/baeldung/supertypecompilerexception/MyClass.java diff --git a/core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/supertypecompilerexception/MyClassSolution1.java b/core-java-modules/core-java-lang-oop-constructors/src/main/java/com/baeldung/supertypecompilerexception/MyClassSolution1.java similarity index 100% rename from core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/supertypecompilerexception/MyClassSolution1.java rename to core-java-modules/core-java-lang-oop-constructors/src/main/java/com/baeldung/supertypecompilerexception/MyClassSolution1.java diff --git a/core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/supertypecompilerexception/MyClassSolution2.java b/core-java-modules/core-java-lang-oop-constructors/src/main/java/com/baeldung/supertypecompilerexception/MyClassSolution2.java similarity index 100% rename from core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/supertypecompilerexception/MyClassSolution2.java rename to core-java-modules/core-java-lang-oop-constructors/src/main/java/com/baeldung/supertypecompilerexception/MyClassSolution2.java diff --git a/core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/supertypecompilerexception/MyClassSolution3.java b/core-java-modules/core-java-lang-oop-constructors/src/main/java/com/baeldung/supertypecompilerexception/MyClassSolution3.java similarity index 100% rename from core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/supertypecompilerexception/MyClassSolution3.java rename to core-java-modules/core-java-lang-oop-constructors/src/main/java/com/baeldung/supertypecompilerexception/MyClassSolution3.java diff --git a/core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/supertypecompilerexception/MyException.java b/core-java-modules/core-java-lang-oop-constructors/src/main/java/com/baeldung/supertypecompilerexception/MyException.java similarity index 100% rename from core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/supertypecompilerexception/MyException.java rename to core-java-modules/core-java-lang-oop-constructors/src/main/java/com/baeldung/supertypecompilerexception/MyException.java diff --git a/core-java-modules/core-java-lang-oop-2/src/test/java/com/baeldung/constructors/ConstructorUnitTest.java b/core-java-modules/core-java-lang-oop-constructors/src/test/java/com/baeldung/constructors/ConstructorUnitTest.java similarity index 88% rename from core-java-modules/core-java-lang-oop-2/src/test/java/com/baeldung/constructors/ConstructorUnitTest.java rename to core-java-modules/core-java-lang-oop-constructors/src/test/java/com/baeldung/constructors/ConstructorUnitTest.java index 274fe77764..e207afec57 100644 --- a/core-java-modules/core-java-lang-oop-2/src/test/java/com/baeldung/constructors/ConstructorUnitTest.java +++ b/core-java-modules/core-java-lang-oop-constructors/src/test/java/com/baeldung/constructors/ConstructorUnitTest.java @@ -1,20 +1,19 @@ package com.baeldung.constructors; +import org.assertj.core.api.Assertions; import org.junit.Test; import java.time.LocalDateTime; import java.time.Month; -import java.util.logging.Logger; -import static org.assertj.core.api.Assertions.*; +import static org.assertj.core.api.Assertions.assertThat; public class ConstructorUnitTest { - final static Logger LOGGER = Logger.getLogger(ConstructorUnitTest.class.getName()); - + @Test public void givenNoExplicitContructor_whenUsed_thenFails() { BankAccount account = new BankAccount(); - assertThatThrownBy(() -> { + Assertions.assertThatThrownBy(() -> { account.toString(); }).isInstanceOf(Exception.class); } @@ -22,7 +21,7 @@ public class ConstructorUnitTest { @Test public void givenNoArgumentConstructor_whenUsed_thenSucceeds() { BankAccountEmptyConstructor account = new BankAccountEmptyConstructor(); - assertThatCode(() -> { + Assertions.assertThatCode(() -> { account.toString(); }).doesNotThrowAnyException(); } @@ -33,7 +32,7 @@ public class ConstructorUnitTest { BankAccountParameterizedConstructor account = new BankAccountParameterizedConstructor("Tom", opened, 1000.0f); - assertThatCode(() -> { + Assertions.assertThatCode(() -> { account.toString(); }).doesNotThrowAnyException(); } diff --git a/core-java-modules/core-java-lang-oop-2/src/test/java/com/baeldung/copyconstructor/EmployeeUnitTest.java b/core-java-modules/core-java-lang-oop-constructors/src/test/java/com/baeldung/copyconstructor/EmployeeUnitTest.java similarity index 100% rename from core-java-modules/core-java-lang-oop-2/src/test/java/com/baeldung/copyconstructor/EmployeeUnitTest.java rename to core-java-modules/core-java-lang-oop-constructors/src/test/java/com/baeldung/copyconstructor/EmployeeUnitTest.java diff --git a/core-java-modules/core-java-lang-oop-2/src/test/java/com/baeldung/copyconstructor/ManagerUnitTest.java b/core-java-modules/core-java-lang-oop-constructors/src/test/java/com/baeldung/copyconstructor/ManagerUnitTest.java similarity index 100% rename from core-java-modules/core-java-lang-oop-2/src/test/java/com/baeldung/copyconstructor/ManagerUnitTest.java rename to core-java-modules/core-java-lang-oop-constructors/src/test/java/com/baeldung/copyconstructor/ManagerUnitTest.java diff --git a/core-java-modules/core-java-lang-oop-generics/README.md b/core-java-modules/core-java-lang-oop-generics/README.md new file mode 100644 index 0000000000..f0213c5659 --- /dev/null +++ b/core-java-modules/core-java-lang-oop-generics/README.md @@ -0,0 +1,8 @@ +## Core Java Lang OOP - Generics + +This module contains articles about generics in Java + +### Relevant Articles: +- [Generic Constructors in Java](https://www.baeldung.com/java-generic-constructors) +- [Type Erasure in Java Explained](https://www.baeldung.com/java-type-erasure) +- [Raw Types in Java](https://www.baeldung.com/raw-types-java) diff --git a/core-java-modules/core-java-lang-oop-generics/pom.xml b/core-java-modules/core-java-lang-oop-generics/pom.xml new file mode 100644 index 0000000000..ae141ecda2 --- /dev/null +++ b/core-java-modules/core-java-lang-oop-generics/pom.xml @@ -0,0 +1,16 @@ + + + + core-java-modules + com.baeldung.core-java-modules + 1.0.0-SNAPSHOT + + 4.0.0 + + core-java-lang-oop-generics + core-java-lang-oop-generics + jar + + \ No newline at end of file diff --git a/core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/generics/Entry.java b/core-java-modules/core-java-lang-oop-generics/src/main/java/com/baeldung/generics/Entry.java similarity index 100% rename from core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/generics/Entry.java rename to core-java-modules/core-java-lang-oop-generics/src/main/java/com/baeldung/generics/Entry.java diff --git a/core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/generics/GenericEntry.java b/core-java-modules/core-java-lang-oop-generics/src/main/java/com/baeldung/generics/GenericEntry.java similarity index 100% rename from core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/generics/GenericEntry.java rename to core-java-modules/core-java-lang-oop-generics/src/main/java/com/baeldung/generics/GenericEntry.java diff --git a/core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/generics/MapEntry.java b/core-java-modules/core-java-lang-oop-generics/src/main/java/com/baeldung/generics/MapEntry.java similarity index 100% rename from core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/generics/MapEntry.java rename to core-java-modules/core-java-lang-oop-generics/src/main/java/com/baeldung/generics/MapEntry.java diff --git a/core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/generics/Product.java b/core-java-modules/core-java-lang-oop-generics/src/main/java/com/baeldung/generics/Product.java similarity index 100% rename from core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/generics/Product.java rename to core-java-modules/core-java-lang-oop-generics/src/main/java/com/baeldung/generics/Product.java diff --git a/core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/generics/Rankable.java b/core-java-modules/core-java-lang-oop-generics/src/main/java/com/baeldung/generics/Rankable.java similarity index 100% rename from core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/generics/Rankable.java rename to core-java-modules/core-java-lang-oop-generics/src/main/java/com/baeldung/generics/Rankable.java diff --git a/core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/rawtype/RawTypeDemo.java b/core-java-modules/core-java-lang-oop-generics/src/main/java/com/baeldung/rawtype/RawTypeDemo.java similarity index 100% rename from core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/rawtype/RawTypeDemo.java rename to core-java-modules/core-java-lang-oop-generics/src/main/java/com/baeldung/rawtype/RawTypeDemo.java diff --git a/core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/typeerasure/ArrayContentPrintUtil.java b/core-java-modules/core-java-lang-oop-generics/src/main/java/com/baeldung/typeerasure/ArrayContentPrintUtil.java similarity index 100% rename from core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/typeerasure/ArrayContentPrintUtil.java rename to core-java-modules/core-java-lang-oop-generics/src/main/java/com/baeldung/typeerasure/ArrayContentPrintUtil.java diff --git a/core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/typeerasure/BoundStack.java b/core-java-modules/core-java-lang-oop-generics/src/main/java/com/baeldung/typeerasure/BoundStack.java similarity index 100% rename from core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/typeerasure/BoundStack.java rename to core-java-modules/core-java-lang-oop-generics/src/main/java/com/baeldung/typeerasure/BoundStack.java diff --git a/core-java-modules/core-java-lang-oop-generics/src/main/java/com/baeldung/typeerasure/Example.java b/core-java-modules/core-java-lang-oop-generics/src/main/java/com/baeldung/typeerasure/Example.java new file mode 100644 index 0000000000..f816fd6d16 --- /dev/null +++ b/core-java-modules/core-java-lang-oop-generics/src/main/java/com/baeldung/typeerasure/Example.java @@ -0,0 +1,13 @@ +package com.baeldung.typeerasure; + +public class Example { + + public static boolean containsElement(E [] elements, E element){ + for (E e : elements){ + if(e.equals(element)){ + return true; + } + } + return false; + } +} diff --git a/core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/typeerasure/IntegerStack.java b/core-java-modules/core-java-lang-oop-generics/src/main/java/com/baeldung/typeerasure/IntegerStack.java similarity index 100% rename from core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/typeerasure/IntegerStack.java rename to core-java-modules/core-java-lang-oop-generics/src/main/java/com/baeldung/typeerasure/IntegerStack.java diff --git a/core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/typeerasure/Stack.java b/core-java-modules/core-java-lang-oop-generics/src/main/java/com/baeldung/typeerasure/Stack.java similarity index 100% rename from core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/typeerasure/Stack.java rename to core-java-modules/core-java-lang-oop-generics/src/main/java/com/baeldung/typeerasure/Stack.java diff --git a/core-java-modules/core-java-lang-oop-2/src/test/java/com/baeldung/generics/GenericConstructorUnitTest.java b/core-java-modules/core-java-lang-oop-generics/src/test/java/com/baeldung/generics/GenericConstructorUnitTest.java similarity index 100% rename from core-java-modules/core-java-lang-oop-2/src/test/java/com/baeldung/generics/GenericConstructorUnitTest.java rename to core-java-modules/core-java-lang-oop-generics/src/test/java/com/baeldung/generics/GenericConstructorUnitTest.java diff --git a/core-java-modules/core-java-lang-oop/src/test/java/com/baeldung/typeerasure/TypeErasureUnitTest.java b/core-java-modules/core-java-lang-oop-generics/src/test/java/com/baeldung/typeerasure/TypeErasureUnitTest.java similarity index 100% rename from core-java-modules/core-java-lang-oop/src/test/java/com/baeldung/typeerasure/TypeErasureUnitTest.java rename to core-java-modules/core-java-lang-oop-generics/src/test/java/com/baeldung/typeerasure/TypeErasureUnitTest.java diff --git a/core-java-modules/core-java-lang-oop-inheritance/README.md b/core-java-modules/core-java-lang-oop-inheritance/README.md new file mode 100644 index 0000000000..e264f9fae4 --- /dev/null +++ b/core-java-modules/core-java-lang-oop-inheritance/README.md @@ -0,0 +1,14 @@ +## Core Java Lang OOP - Types + +This module contains articles about types in Java + +### Relevant Articles: +- [Java Interfaces](https://www.baeldung.com/java-interfaces) +- [Abstract Classes in Java](https://www.baeldung.com/java-abstract-class) +- [A Guide to Inner Interfaces in Java](https://www.baeldung.com/java-inner-interfaces) +- [Guide to the super Java Keyword](https://www.baeldung.com/java-super) +- [Anonymous Classes in Java](https://www.baeldung.com/java-anonymous-classes) +- [Polymorphism in Java](https://www.baeldung.com/java-polymorphism) +- [Guide to Inheritance in Java](https://www.baeldung.com/java-inheritance) +- [Object Type Casting in Java](https://www.baeldung.com/java-type-casting) +- [Variable and Method Hiding in Java](https://www.baeldung.com/java-variable-method-hiding) diff --git a/core-java-modules/core-java-lang-oop-inheritance/pom.xml b/core-java-modules/core-java-lang-oop-inheritance/pom.xml new file mode 100644 index 0000000000..a48b28a289 --- /dev/null +++ b/core-java-modules/core-java-lang-oop-inheritance/pom.xml @@ -0,0 +1,28 @@ + + + + core-java-modules + com.baeldung.core-java-modules + 1.0.0-SNAPSHOT + + 4.0.0 + + core-java-lang-oop-inheritance + core-java-lang-oop-inheritance + jar + + + + org.assertj + assertj-core + ${assertj-core.version} + test + + + + + 3.10.0 + + \ No newline at end of file diff --git a/core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/abstractclasses/application/Application.java b/core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/abstractclasses/application/Application.java similarity index 100% rename from core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/abstractclasses/application/Application.java rename to core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/abstractclasses/application/Application.java diff --git a/core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/abstractclasses/filereaders/BaseFileReader.java b/core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/abstractclasses/filereaders/BaseFileReader.java similarity index 100% rename from core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/abstractclasses/filereaders/BaseFileReader.java rename to core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/abstractclasses/filereaders/BaseFileReader.java diff --git a/core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/abstractclasses/filereaders/LowercaseFileReader.java b/core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/abstractclasses/filereaders/LowercaseFileReader.java similarity index 100% rename from core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/abstractclasses/filereaders/LowercaseFileReader.java rename to core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/abstractclasses/filereaders/LowercaseFileReader.java diff --git a/core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/abstractclasses/filereaders/UppercaseFileReader.java b/core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/abstractclasses/filereaders/UppercaseFileReader.java similarity index 100% rename from core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/abstractclasses/filereaders/UppercaseFileReader.java rename to core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/abstractclasses/filereaders/UppercaseFileReader.java diff --git a/core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/abstractclasses/overview/BoardGame.java b/core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/abstractclasses/overview/BoardGame.java new file mode 100644 index 0000000000..e0395cec7e --- /dev/null +++ b/core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/abstractclasses/overview/BoardGame.java @@ -0,0 +1,9 @@ +package com.baeldung.abstractclasses.overview; + +public abstract class BoardGame { + //... field declarations, constructors + + public abstract void play(); + + //... concrete methods +} diff --git a/core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/abstractclasses/overview/Checkers.java b/core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/abstractclasses/overview/Checkers.java new file mode 100644 index 0000000000..5c911649c8 --- /dev/null +++ b/core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/abstractclasses/overview/Checkers.java @@ -0,0 +1,8 @@ +package com.baeldung.abstractclasses.overview; + +public class Checkers extends BoardGame { + @Override + public void play() { + //... implementation + } +} diff --git a/core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/anonymous/Book.java b/core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/anonymous/Book.java similarity index 100% rename from core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/anonymous/Book.java rename to core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/anonymous/Book.java diff --git a/core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/anonymous/Main.java b/core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/anonymous/Main.java similarity index 100% rename from core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/anonymous/Main.java rename to core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/anonymous/Main.java diff --git a/core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/casting/Animal.java b/core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/casting/Animal.java similarity index 100% rename from core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/casting/Animal.java rename to core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/casting/Animal.java diff --git a/core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/casting/AnimalFeeder.java b/core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/casting/AnimalFeeder.java similarity index 100% rename from core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/casting/AnimalFeeder.java rename to core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/casting/AnimalFeeder.java diff --git a/core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/casting/AnimalFeederGeneric.java b/core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/casting/AnimalFeederGeneric.java similarity index 100% rename from core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/casting/AnimalFeederGeneric.java rename to core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/casting/AnimalFeederGeneric.java diff --git a/core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/casting/Cat.java b/core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/casting/Cat.java similarity index 100% rename from core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/casting/Cat.java rename to core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/casting/Cat.java diff --git a/core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/casting/Dog.java b/core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/casting/Dog.java similarity index 100% rename from core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/casting/Dog.java rename to core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/casting/Dog.java diff --git a/core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/casting/Mew.java b/core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/casting/Mew.java similarity index 100% rename from core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/casting/Mew.java rename to core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/casting/Mew.java diff --git a/core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/inheritance/ArmoredCar.java b/core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/inheritance/ArmoredCar.java similarity index 100% rename from core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/inheritance/ArmoredCar.java rename to core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/inheritance/ArmoredCar.java diff --git a/core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/inheritance/BMW.java b/core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/inheritance/BMW.java similarity index 100% rename from core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/inheritance/BMW.java rename to core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/inheritance/BMW.java diff --git a/core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/inheritance/Car.java b/core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/inheritance/Car.java similarity index 100% rename from core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/inheritance/Car.java rename to core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/inheritance/Car.java diff --git a/core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/inheritance/Employee.java b/core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/inheritance/Employee.java similarity index 100% rename from core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/inheritance/Employee.java rename to core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/inheritance/Employee.java diff --git a/core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/inheritance/Floatable.java b/core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/inheritance/Floatable.java similarity index 100% rename from core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/inheritance/Floatable.java rename to core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/inheritance/Floatable.java diff --git a/core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/inheritance/Flyable.java b/core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/inheritance/Flyable.java similarity index 100% rename from core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/inheritance/Flyable.java rename to core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/inheritance/Flyable.java diff --git a/core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/inheritance/SpaceCar.java b/core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/inheritance/SpaceCar.java similarity index 100% rename from core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/inheritance/SpaceCar.java rename to core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/inheritance/SpaceCar.java diff --git a/core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/inheritance/SpaceTraveller.java b/core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/inheritance/SpaceTraveller.java similarity index 100% rename from core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/inheritance/SpaceTraveller.java rename to core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/inheritance/SpaceTraveller.java diff --git a/core-java-modules/core-java-lang-oop-3/src/main/java/com/baeldung/innerinterfaces/CommaSeparatedCustomers.java b/core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/innerinterfaces/CommaSeparatedCustomers.java similarity index 100% rename from core-java-modules/core-java-lang-oop-3/src/main/java/com/baeldung/innerinterfaces/CommaSeparatedCustomers.java rename to core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/innerinterfaces/CommaSeparatedCustomers.java diff --git a/core-java-modules/core-java-lang-oop-3/src/main/java/com/baeldung/innerinterfaces/Customer.java b/core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/innerinterfaces/Customer.java similarity index 100% rename from core-java-modules/core-java-lang-oop-3/src/main/java/com/baeldung/innerinterfaces/Customer.java rename to core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/innerinterfaces/Customer.java diff --git a/core-java-modules/core-java-lang-oop-3/src/main/java/com/baeldung/interfaces/Box.java b/core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/interfaces/Box.java similarity index 100% rename from core-java-modules/core-java-lang-oop-3/src/main/java/com/baeldung/interfaces/Box.java rename to core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/interfaces/Box.java diff --git a/core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/interfaces/Computer.java b/core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/interfaces/Computer.java new file mode 100644 index 0000000000..94d39e2448 --- /dev/null +++ b/core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/interfaces/Computer.java @@ -0,0 +1,9 @@ +package com.baeldung.interfaces; + +public class Computer implements Electronic { + + @Override + public int getElectricityUse() { + return 1000; + } +} diff --git a/core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/interfaces/Electronic.java b/core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/interfaces/Electronic.java new file mode 100644 index 0000000000..fcaf67dc3a --- /dev/null +++ b/core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/interfaces/Electronic.java @@ -0,0 +1,22 @@ +package com.baeldung.interfaces; + +public interface Electronic { + // Constant variable + String LED = "LED"; + + // Abstract method + int getElectricityUse(); + + // Static method + static boolean isEnergyEfficient(String electtronicType) { + if (electtronicType.equals(LED)) { + return true; + } + return false; + } + + //Default method + default void printDescription() { + System.out.println("Electronic Description"); + } +} diff --git a/core-java-modules/core-java-lang-oop-3/src/main/java/com/baeldung/interfaces/Employee.java b/core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/interfaces/Employee.java similarity index 100% rename from core-java-modules/core-java-lang-oop-3/src/main/java/com/baeldung/interfaces/Employee.java rename to core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/interfaces/Employee.java diff --git a/core-java-modules/core-java-lang-oop-3/src/main/java/com/baeldung/interfaces/EmployeeSalaryComparator.java b/core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/interfaces/EmployeeSalaryComparator.java similarity index 100% rename from core-java-modules/core-java-lang-oop-3/src/main/java/com/baeldung/interfaces/EmployeeSalaryComparator.java rename to core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/interfaces/EmployeeSalaryComparator.java diff --git a/core-java-modules/core-java-lang-oop-3/src/main/java/com/baeldung/interfaces/HasColor.java b/core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/interfaces/HasColor.java similarity index 100% rename from core-java-modules/core-java-lang-oop-3/src/main/java/com/baeldung/interfaces/HasColor.java rename to core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/interfaces/HasColor.java diff --git a/core-java-modules/core-java-lang-oop-3/src/main/java/com/baeldung/interfaces/multiinheritance/Car.java b/core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/interfaces/multiinheritance/Car.java similarity index 100% rename from core-java-modules/core-java-lang-oop-3/src/main/java/com/baeldung/interfaces/multiinheritance/Car.java rename to core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/interfaces/multiinheritance/Car.java diff --git a/core-java-modules/core-java-lang-oop-3/src/main/java/com/baeldung/interfaces/multiinheritance/Fly.java b/core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/interfaces/multiinheritance/Fly.java similarity index 100% rename from core-java-modules/core-java-lang-oop-3/src/main/java/com/baeldung/interfaces/multiinheritance/Fly.java rename to core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/interfaces/multiinheritance/Fly.java diff --git a/core-java-modules/core-java-lang-oop-3/src/main/java/com/baeldung/interfaces/multiinheritance/Transform.java b/core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/interfaces/multiinheritance/Transform.java similarity index 100% rename from core-java-modules/core-java-lang-oop-3/src/main/java/com/baeldung/interfaces/multiinheritance/Transform.java rename to core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/interfaces/multiinheritance/Transform.java diff --git a/core-java-modules/core-java-lang-oop-3/src/main/java/com/baeldung/interfaces/multiinheritance/Vehicle.java b/core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/interfaces/multiinheritance/Vehicle.java similarity index 100% rename from core-java-modules/core-java-lang-oop-3/src/main/java/com/baeldung/interfaces/multiinheritance/Vehicle.java rename to core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/interfaces/multiinheritance/Vehicle.java diff --git a/core-java-modules/core-java-lang-oop-3/src/main/java/com/baeldung/interfaces/polymorphysim/Circle.java b/core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/interfaces/polymorphysim/Circle.java similarity index 100% rename from core-java-modules/core-java-lang-oop-3/src/main/java/com/baeldung/interfaces/polymorphysim/Circle.java rename to core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/interfaces/polymorphysim/Circle.java diff --git a/core-java-modules/core-java-lang-oop-3/src/main/java/com/baeldung/interfaces/polymorphysim/MainTestClass.java b/core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/interfaces/polymorphysim/MainTestClass.java similarity index 100% rename from core-java-modules/core-java-lang-oop-3/src/main/java/com/baeldung/interfaces/polymorphysim/MainTestClass.java rename to core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/interfaces/polymorphysim/MainTestClass.java diff --git a/core-java-modules/core-java-lang-oop-3/src/main/java/com/baeldung/interfaces/polymorphysim/Shape.java b/core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/interfaces/polymorphysim/Shape.java similarity index 100% rename from core-java-modules/core-java-lang-oop-3/src/main/java/com/baeldung/interfaces/polymorphysim/Shape.java rename to core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/interfaces/polymorphysim/Shape.java diff --git a/core-java-modules/core-java-lang-oop-3/src/main/java/com/baeldung/interfaces/polymorphysim/Square.java b/core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/interfaces/polymorphysim/Square.java similarity index 100% rename from core-java-modules/core-java-lang-oop-3/src/main/java/com/baeldung/interfaces/polymorphysim/Square.java rename to core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/interfaces/polymorphysim/Square.java diff --git a/core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/polymorphism/FileManager.java b/core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/polymorphism/FileManager.java similarity index 100% rename from core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/polymorphism/FileManager.java rename to core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/polymorphism/FileManager.java diff --git a/core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/polymorphism/GenericFile.java b/core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/polymorphism/GenericFile.java similarity index 100% rename from core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/polymorphism/GenericFile.java rename to core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/polymorphism/GenericFile.java diff --git a/core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/polymorphism/ImageFile.java b/core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/polymorphism/ImageFile.java similarity index 100% rename from core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/polymorphism/ImageFile.java rename to core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/polymorphism/ImageFile.java diff --git a/core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/polymorphism/TextFile.java b/core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/polymorphism/TextFile.java similarity index 100% rename from core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/polymorphism/TextFile.java rename to core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/polymorphism/TextFile.java diff --git a/core-java-modules/core-java-lang-oop-3/src/main/java/com/baeldung/keyword/KeywordDemo.java b/core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/superkeyword/KeywordDemo.java similarity index 50% rename from core-java-modules/core-java-lang-oop-3/src/main/java/com/baeldung/keyword/KeywordDemo.java rename to core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/superkeyword/KeywordDemo.java index fd608b424c..0e5bd489bb 100644 --- a/core-java-modules/core-java-lang-oop-3/src/main/java/com/baeldung/keyword/KeywordDemo.java +++ b/core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/superkeyword/KeywordDemo.java @@ -1,7 +1,4 @@ -package com.baeldung.keyword; - -import com.baeldung.keyword.superkeyword.SuperSub; -import com.baeldung.keyword.thiskeyword.KeywordUnitTest; +package com.baeldung.superkeyword; /** * Created by Gebruiker on 5/14/2018. @@ -9,8 +6,6 @@ import com.baeldung.keyword.thiskeyword.KeywordUnitTest; public class KeywordDemo { public static void main(String[] args) { - KeywordUnitTest keyword = new KeywordUnitTest(); - SuperSub child = new SuperSub("message from the child class"); } } diff --git a/core-java-modules/core-java-lang-oop-3/src/main/java/com/baeldung/keyword/superkeyword/SuperBase.java b/core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/superkeyword/SuperBase.java similarity index 87% rename from core-java-modules/core-java-lang-oop-3/src/main/java/com/baeldung/keyword/superkeyword/SuperBase.java rename to core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/superkeyword/SuperBase.java index a5304fcef9..ec6a90cb06 100644 --- a/core-java-modules/core-java-lang-oop-3/src/main/java/com/baeldung/keyword/superkeyword/SuperBase.java +++ b/core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/superkeyword/SuperBase.java @@ -1,4 +1,4 @@ -package com.baeldung.keyword.superkeyword; +package com.baeldung.superkeyword; /** * Created by Gebruiker on 5/14/2018. diff --git a/core-java-modules/core-java-lang-oop-3/src/main/java/com/baeldung/keyword/superkeyword/SuperSub.java b/core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/superkeyword/SuperSub.java similarity index 91% rename from core-java-modules/core-java-lang-oop-3/src/main/java/com/baeldung/keyword/superkeyword/SuperSub.java rename to core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/superkeyword/SuperSub.java index 83bc04ad0f..ada52e4ff2 100644 --- a/core-java-modules/core-java-lang-oop-3/src/main/java/com/baeldung/keyword/superkeyword/SuperSub.java +++ b/core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/superkeyword/SuperSub.java @@ -1,4 +1,4 @@ -package com.baeldung.keyword.superkeyword; +package com.baeldung.superkeyword; /** * Created by Gebruiker on 5/15/2018. diff --git a/core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/scope/method/BaseMethodClass.java b/core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/variableandmethodhiding/method/BaseMethodClass.java similarity index 71% rename from core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/scope/method/BaseMethodClass.java rename to core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/variableandmethodhiding/method/BaseMethodClass.java index 46ed5fd99f..7e6b08c000 100644 --- a/core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/scope/method/BaseMethodClass.java +++ b/core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/variableandmethodhiding/method/BaseMethodClass.java @@ -1,4 +1,4 @@ -package com.baeldung.scope.method; +package com.baeldung.variableandmethodhiding.method; public class BaseMethodClass { diff --git a/core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/scope/method/ChildMethodClass.java b/core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/variableandmethodhiding/method/ChildMethodClass.java similarity index 74% rename from core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/scope/method/ChildMethodClass.java rename to core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/variableandmethodhiding/method/ChildMethodClass.java index 1d0cff2d6b..30db54cd84 100644 --- a/core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/scope/method/ChildMethodClass.java +++ b/core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/variableandmethodhiding/method/ChildMethodClass.java @@ -1,4 +1,4 @@ -package com.baeldung.scope.method; +package com.baeldung.variableandmethodhiding.method; public class ChildMethodClass extends BaseMethodClass { diff --git a/core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/scope/method/MethodHidingDemo.java b/core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/variableandmethodhiding/method/MethodHidingDemo.java similarity index 70% rename from core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/scope/method/MethodHidingDemo.java rename to core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/variableandmethodhiding/method/MethodHidingDemo.java index 7e0b3ed146..ce1feac665 100644 --- a/core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/scope/method/MethodHidingDemo.java +++ b/core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/variableandmethodhiding/method/MethodHidingDemo.java @@ -1,4 +1,4 @@ -package com.baeldung.scope.method; +package com.baeldung.variableandmethodhiding.method; public class MethodHidingDemo { diff --git a/core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/scope/variable/ChildVariable.java b/core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/variableandmethodhiding/variable/ChildVariable.java similarity index 81% rename from core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/scope/variable/ChildVariable.java rename to core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/variableandmethodhiding/variable/ChildVariable.java index 5730e5e282..83434f7dd3 100644 --- a/core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/scope/variable/ChildVariable.java +++ b/core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/variableandmethodhiding/variable/ChildVariable.java @@ -1,4 +1,4 @@ -package com.baeldung.scope.variable; +package com.baeldung.variableandmethodhiding.variable; /** * Created by Gebruiker on 5/7/2018. diff --git a/core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/scope/variable/HideVariable.java b/core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/variableandmethodhiding/variable/HideVariable.java similarity index 89% rename from core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/scope/variable/HideVariable.java rename to core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/variableandmethodhiding/variable/HideVariable.java index 8243fdb249..98a29573b8 100644 --- a/core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/scope/variable/HideVariable.java +++ b/core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/variableandmethodhiding/variable/HideVariable.java @@ -1,4 +1,4 @@ -package com.baeldung.scope.variable; +package com.baeldung.variableandmethodhiding.variable; /** * Created by Gebruiker on 5/6/2018. diff --git a/core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/scope/variable/ParentVariable.java b/core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/variableandmethodhiding/variable/ParentVariable.java similarity index 80% rename from core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/scope/variable/ParentVariable.java rename to core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/variableandmethodhiding/variable/ParentVariable.java index 7f116b955e..ef17305746 100644 --- a/core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/scope/variable/ParentVariable.java +++ b/core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/variableandmethodhiding/variable/ParentVariable.java @@ -1,4 +1,4 @@ -package com.baeldung.scope.variable; +package com.baeldung.variableandmethodhiding.variable; /** * Created by Gebruiker on 5/7/2018. diff --git a/core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/scope/variable/VariableHidingDemo.java b/core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/variableandmethodhiding/variable/VariableHidingDemo.java similarity index 89% rename from core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/scope/variable/VariableHidingDemo.java rename to core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/variableandmethodhiding/variable/VariableHidingDemo.java index 1ad71bd966..0fd83ad55e 100644 --- a/core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/scope/variable/VariableHidingDemo.java +++ b/core-java-modules/core-java-lang-oop-inheritance/src/main/java/com/baeldung/variableandmethodhiding/variable/VariableHidingDemo.java @@ -1,4 +1,4 @@ -package com.baeldung.scope.variable; +package com.baeldung.variableandmethodhiding.variable; /** * Created by Gebruiker on 5/6/2018. diff --git a/core-java-modules/core-java-lang-oop-2/src/main/resources/files/test.txt b/core-java-modules/core-java-lang-oop-inheritance/src/main/resources/files/test.txt similarity index 100% rename from core-java-modules/core-java-lang-oop-2/src/main/resources/files/test.txt rename to core-java-modules/core-java-lang-oop-inheritance/src/main/resources/files/test.txt diff --git a/core-java-modules/core-java-lang-oop-2/src/test/java/com/baeldung/abstractclasses/test/LowercaseFileReaderUnitTest.java b/core-java-modules/core-java-lang-oop-inheritance/src/test/java/com/baeldung/abstractclasses/LowercaseFileReaderUnitTest.java similarity index 94% rename from core-java-modules/core-java-lang-oop-2/src/test/java/com/baeldung/abstractclasses/test/LowercaseFileReaderUnitTest.java rename to core-java-modules/core-java-lang-oop-inheritance/src/test/java/com/baeldung/abstractclasses/LowercaseFileReaderUnitTest.java index 45e16f0d25..8e970fc0c7 100644 --- a/core-java-modules/core-java-lang-oop-2/src/test/java/com/baeldung/abstractclasses/test/LowercaseFileReaderUnitTest.java +++ b/core-java-modules/core-java-lang-oop-inheritance/src/test/java/com/baeldung/abstractclasses/LowercaseFileReaderUnitTest.java @@ -1,4 +1,4 @@ -package com.baeldung.abstractclasses.test; +package com.baeldung.abstractclasses; import com.baeldung.abstractclasses.filereaders.BaseFileReader; import com.baeldung.abstractclasses.filereaders.LowercaseFileReader; diff --git a/core-java-modules/core-java-lang-oop-2/src/test/java/com/baeldung/abstractclasses/test/UppercaseFileReaderUnitTest.java b/core-java-modules/core-java-lang-oop-inheritance/src/test/java/com/baeldung/abstractclasses/UppercaseFileReaderUnitTest.java similarity index 94% rename from core-java-modules/core-java-lang-oop-2/src/test/java/com/baeldung/abstractclasses/test/UppercaseFileReaderUnitTest.java rename to core-java-modules/core-java-lang-oop-inheritance/src/test/java/com/baeldung/abstractclasses/UppercaseFileReaderUnitTest.java index dc4df900e4..e7b83a97e6 100644 --- a/core-java-modules/core-java-lang-oop-2/src/test/java/com/baeldung/abstractclasses/test/UppercaseFileReaderUnitTest.java +++ b/core-java-modules/core-java-lang-oop-inheritance/src/test/java/com/baeldung/abstractclasses/UppercaseFileReaderUnitTest.java @@ -1,4 +1,4 @@ -package com.baeldung.abstractclasses.test; +package com.baeldung.abstractclasses; import com.baeldung.abstractclasses.filereaders.BaseFileReader; import com.baeldung.abstractclasses.filereaders.UppercaseFileReader; diff --git a/core-java-modules/core-java-lang-oop/src/test/java/com/baeldung/casting/CastingUnitTest.java b/core-java-modules/core-java-lang-oop-inheritance/src/test/java/com/baeldung/casting/CastingUnitTest.java similarity index 100% rename from core-java-modules/core-java-lang-oop/src/test/java/com/baeldung/casting/CastingUnitTest.java rename to core-java-modules/core-java-lang-oop-inheritance/src/test/java/com/baeldung/casting/CastingUnitTest.java diff --git a/core-java-modules/core-java-lang-oop/src/test/java/com/baeldung/inheritance/AppUnitTest.java b/core-java-modules/core-java-lang-oop-inheritance/src/test/java/com/baeldung/inheritance/AppUnitTest.java similarity index 100% rename from core-java-modules/core-java-lang-oop/src/test/java/com/baeldung/inheritance/AppUnitTest.java rename to core-java-modules/core-java-lang-oop-inheritance/src/test/java/com/baeldung/inheritance/AppUnitTest.java diff --git a/core-java-modules/core-java-lang-oop-3/src/test/java/com/baeldung/innerinterfaces/InnerInterfaceUnitTest.java b/core-java-modules/core-java-lang-oop-inheritance/src/test/java/com/baeldung/innerinterfaces/InnerInterfaceUnitTest.java similarity index 100% rename from core-java-modules/core-java-lang-oop-3/src/test/java/com/baeldung/innerinterfaces/InnerInterfaceUnitTest.java rename to core-java-modules/core-java-lang-oop-inheritance/src/test/java/com/baeldung/innerinterfaces/InnerInterfaceUnitTest.java diff --git a/core-java-modules/core-java-lang-oop/src/test/java/com/baeldung/polymorphism/PolymorphismUnitTest.java b/core-java-modules/core-java-lang-oop-inheritance/src/test/java/com/baeldung/polymorphism/PolymorphismUnitTest.java similarity index 100% rename from core-java-modules/core-java-lang-oop/src/test/java/com/baeldung/polymorphism/PolymorphismUnitTest.java rename to core-java-modules/core-java-lang-oop-inheritance/src/test/java/com/baeldung/polymorphism/PolymorphismUnitTest.java diff --git a/core-java-modules/core-java-lang-oop-methods/README.md b/core-java-modules/core-java-lang-oop-methods/README.md new file mode 100644 index 0000000000..fa474c9795 --- /dev/null +++ b/core-java-modules/core-java-lang-oop-methods/README.md @@ -0,0 +1,9 @@ +## Core Java Lang OOP - Methods + +This module contains articles about methods in Java + +### Relevant Articles: +- [Methods in Java](https://www.baeldung.com/java-methods) +- [Method Overloading and Overriding in Java](https://www.baeldung.com/java-method-overload-override) +- [Java equals() and hashCode() Contracts](https://www.baeldung.com/java-equals-hashcode-contracts) +- [Guide to hashCode() in Java](https://www.baeldung.com/java-hashcode) diff --git a/core-java-modules/core-java-lang-oop-methods/pom.xml b/core-java-modules/core-java-lang-oop-methods/pom.xml new file mode 100644 index 0000000000..3590b85454 --- /dev/null +++ b/core-java-modules/core-java-lang-oop-methods/pom.xml @@ -0,0 +1,49 @@ + + + + core-java-modules + com.baeldung.core-java-modules + 1.0.0-SNAPSHOT + + 4.0.0 + + core-java-lang-oop-methods + core-java-lang-oop-methods + jar + + + + org.projectlombok + lombok + ${lombok.version} + + + commons-lang + commons-lang + ${commons-lang.version} + + + + org.assertj + assertj-core + ${assertj-core.version} + test + + + nl.jqno.equalsverifier + equalsverifier + ${equalsverifier.version} + test + + + + + 1.18.12 + 2.6 + + 3.10.0 + 3.0.3 + + \ No newline at end of file diff --git a/core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/equalshashcode/Money.java b/core-java-modules/core-java-lang-oop-methods/src/main/java/com/baeldung/equalshashcode/Money.java similarity index 100% rename from core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/equalshashcode/Money.java rename to core-java-modules/core-java-lang-oop-methods/src/main/java/com/baeldung/equalshashcode/Money.java diff --git a/core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/equalshashcode/Team.java b/core-java-modules/core-java-lang-oop-methods/src/main/java/com/baeldung/equalshashcode/Team.java similarity index 100% rename from core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/equalshashcode/Team.java rename to core-java-modules/core-java-lang-oop-methods/src/main/java/com/baeldung/equalshashcode/Team.java diff --git a/core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/equalshashcode/Voucher.java b/core-java-modules/core-java-lang-oop-methods/src/main/java/com/baeldung/equalshashcode/Voucher.java similarity index 100% rename from core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/equalshashcode/Voucher.java rename to core-java-modules/core-java-lang-oop-methods/src/main/java/com/baeldung/equalshashcode/Voucher.java diff --git a/core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/equalshashcode/WrongTeam.java b/core-java-modules/core-java-lang-oop-methods/src/main/java/com/baeldung/equalshashcode/WrongTeam.java similarity index 100% rename from core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/equalshashcode/WrongTeam.java rename to core-java-modules/core-java-lang-oop-methods/src/main/java/com/baeldung/equalshashcode/WrongTeam.java diff --git a/core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/equalshashcode/WrongVoucher.java b/core-java-modules/core-java-lang-oop-methods/src/main/java/com/baeldung/equalshashcode/WrongVoucher.java similarity index 100% rename from core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/equalshashcode/WrongVoucher.java rename to core-java-modules/core-java-lang-oop-methods/src/main/java/com/baeldung/equalshashcode/WrongVoucher.java diff --git a/core-java-modules/core-java-lang-oop-methods/src/main/java/com/baeldung/hashcode/apachecommons/User.java b/core-java-modules/core-java-lang-oop-methods/src/main/java/com/baeldung/hashcode/apachecommons/User.java new file mode 100644 index 0000000000..4be082019a --- /dev/null +++ b/core-java-modules/core-java-lang-oop-methods/src/main/java/com/baeldung/hashcode/apachecommons/User.java @@ -0,0 +1,42 @@ +package com.baeldung.hashcode.apachecommons; + +import org.apache.commons.lang.builder.HashCodeBuilder; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +public class User { + + private final Logger logger = LoggerFactory.getLogger(User.class); + private long id; + private String name; + private String email; + + public User(long id, String name, String email) { + this.id = id; + this.name = name; + this.email = email; + } + + @Override + public boolean equals(Object o) { + if (this == o) + return true; + if (o == null) + return false; + if (this.getClass() != o.getClass()) + return false; + User user = (User) o; + return id == user.id && (name.equals(user.name) && email.equals(user.email)); + } + + @Override + public int hashCode() { + return new HashCodeBuilder(17, 37). + append(id). + append(name). + append(email). + toHashCode(); + } + // getters and setters here + +} diff --git a/core-java-modules/core-java-lang-oop-methods/src/main/java/com/baeldung/hashcode/eclipse/User.java b/core-java-modules/core-java-lang-oop-methods/src/main/java/com/baeldung/hashcode/eclipse/User.java new file mode 100644 index 0000000000..e852eef96e --- /dev/null +++ b/core-java-modules/core-java-lang-oop-methods/src/main/java/com/baeldung/hashcode/eclipse/User.java @@ -0,0 +1,42 @@ +package com.baeldung.hashcode.eclipse; + +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +public class User { + + private final Logger logger = LoggerFactory.getLogger(User.class); + private long id; + private String name; + private String email; + + public User(long id, String name, String email) { + this.id = id; + this.name = name; + this.email = email; + } + + @Override + public boolean equals(Object o) { + if (this == o) + return true; + if (o == null) + return false; + if (this.getClass() != o.getClass()) + return false; + User user = (User) o; + return id == user.id && (name.equals(user.name) && email.equals(user.email)); + } + + @Override + public int hashCode() { + final int prime = 31; + int result = 1; + result = prime * result + ((email == null) ? 0 : email.hashCode()); + result = prime * result + (int) (id ^ (id >>> 32)); + result = prime * result + ((name == null) ? 0 : name.hashCode()); + return result; + } + // getters and setters here + +} diff --git a/core-java-modules/core-java-lang-oop-methods/src/main/java/com/baeldung/hashcode/improved/User.java b/core-java-modules/core-java-lang-oop-methods/src/main/java/com/baeldung/hashcode/improved/User.java new file mode 100644 index 0000000000..773a2c7e45 --- /dev/null +++ b/core-java-modules/core-java-lang-oop-methods/src/main/java/com/baeldung/hashcode/improved/User.java @@ -0,0 +1,37 @@ +package com.baeldung.hashcode.improved; + +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +public class User { + + private final Logger logger = LoggerFactory.getLogger(User.class); + private long id; + private String name; + private String email; + + public User(long id, String name, String email) { + this.id = id; + this.name = name; + this.email = email; + } + + @Override + public boolean equals(Object o) { + if (this == o) + return true; + if (o == null) + return false; + if (this.getClass() != o.getClass()) + return false; + User user = (User) o; + return id == user.id && (name.equals(user.name) && email.equals(user.email)); + } + + @Override + public int hashCode() { + return (int) id * name.hashCode() * email.hashCode(); + } + // getters and setters here + +} diff --git a/core-java-modules/core-java-lang-oop-methods/src/main/java/com/baeldung/hashcode/intellij/User.java b/core-java-modules/core-java-lang-oop-methods/src/main/java/com/baeldung/hashcode/intellij/User.java new file mode 100644 index 0000000000..f7bf1ab735 --- /dev/null +++ b/core-java-modules/core-java-lang-oop-methods/src/main/java/com/baeldung/hashcode/intellij/User.java @@ -0,0 +1,40 @@ +package com.baeldung.hashcode.intellij; + +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +public class User { + + private final Logger logger = LoggerFactory.getLogger(User.class); + private long id; + private String name; + private String email; + + public User(long id, String name, String email) { + this.id = id; + this.name = name; + this.email = email; + } + + @Override + public boolean equals(Object o) { + if (this == o) + return true; + if (o == null) + return false; + if (this.getClass() != o.getClass()) + return false; + User user = (User) o; + return id == user.id && (name.equals(user.name) && email.equals(user.email)); + } + + @Override + public int hashCode() { + int result = (int) (id ^ (id >>> 32)); + result = 31 * result + name.hashCode(); + result = 31 * result + email.hashCode(); + return result; + } + // getters and setters here + +} diff --git a/core-java-modules/core-java-lang-oop-methods/src/main/java/com/baeldung/hashcode/lombok/User.java b/core-java-modules/core-java-lang-oop-methods/src/main/java/com/baeldung/hashcode/lombok/User.java new file mode 100644 index 0000000000..e34246ce24 --- /dev/null +++ b/core-java-modules/core-java-lang-oop-methods/src/main/java/com/baeldung/hashcode/lombok/User.java @@ -0,0 +1,22 @@ +package com.baeldung.hashcode.lombok; + +import lombok.EqualsAndHashCode; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +@EqualsAndHashCode +public class User { + + private final Logger logger = LoggerFactory.getLogger(User.class); + private long id; + private String name; + private String email; + + public User(long id, String name, String email) { + this.id = id; + this.name = name; + this.email = email; + } + // getters and setters here + +} diff --git a/core-java-modules/core-java-lang-oop-methods/src/main/java/com/baeldung/hashcode/naive/User.java b/core-java-modules/core-java-lang-oop-methods/src/main/java/com/baeldung/hashcode/naive/User.java new file mode 100644 index 0000000000..b0a33ad3e9 --- /dev/null +++ b/core-java-modules/core-java-lang-oop-methods/src/main/java/com/baeldung/hashcode/naive/User.java @@ -0,0 +1,37 @@ +package com.baeldung.hashcode.naive; + +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +public class User { + + private final Logger logger = LoggerFactory.getLogger(User.class); + private long id; + private String name; + private String email; + + public User(long id, String name, String email) { + this.id = id; + this.name = name; + this.email = email; + } + + @Override + public boolean equals(Object o) { + if (this == o) + return true; + if (o == null) + return false; + if (this.getClass() != o.getClass()) + return false; + User user = (User) o; + return id == user.id && (name.equals(user.name) && email.equals(user.email)); + } + + @Override + public int hashCode() { + return 1; + } + // getters and setters here + +} diff --git a/core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/hashcode/entities/User.java b/core-java-modules/core-java-lang-oop-methods/src/main/java/com/baeldung/hashcode/standard/User.java similarity index 89% rename from core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/hashcode/entities/User.java rename to core-java-modules/core-java-lang-oop-methods/src/main/java/com/baeldung/hashcode/standard/User.java index 524f176e6b..f8fd5cedbd 100644 --- a/core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/hashcode/entities/User.java +++ b/core-java-modules/core-java-lang-oop-methods/src/main/java/com/baeldung/hashcode/standard/User.java @@ -1,4 +1,4 @@ -package com.baeldung.hashcode.entities; +package com.baeldung.hashcode.standard; import org.slf4j.Logger; import org.slf4j.LoggerFactory; @@ -34,7 +34,6 @@ public class User { hash = 31 * hash + (int) id; hash = 31 * hash + (name == null ? 0 : name.hashCode()); hash = 31 * hash + (email == null ? 0 : email.hashCode()); - logger.info("hashCode() method called - Computed hash: " + hash); return hash; } // getters and setters here diff --git a/core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/methodoverloadingoverriding/application/Application.java b/core-java-modules/core-java-lang-oop-methods/src/main/java/com/baeldung/methodoverloadingoverriding/application/Application.java similarity index 100% rename from core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/methodoverloadingoverriding/application/Application.java rename to core-java-modules/core-java-lang-oop-methods/src/main/java/com/baeldung/methodoverloadingoverriding/application/Application.java diff --git a/core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/methodoverloadingoverriding/model/Car.java b/core-java-modules/core-java-lang-oop-methods/src/main/java/com/baeldung/methodoverloadingoverriding/model/Car.java similarity index 100% rename from core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/methodoverloadingoverriding/model/Car.java rename to core-java-modules/core-java-lang-oop-methods/src/main/java/com/baeldung/methodoverloadingoverriding/model/Car.java diff --git a/core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/methodoverloadingoverriding/model/Vehicle.java b/core-java-modules/core-java-lang-oop-methods/src/main/java/com/baeldung/methodoverloadingoverriding/model/Vehicle.java similarity index 100% rename from core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/methodoverloadingoverriding/model/Vehicle.java rename to core-java-modules/core-java-lang-oop-methods/src/main/java/com/baeldung/methodoverloadingoverriding/model/Vehicle.java diff --git a/core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/methodoverloadingoverriding/util/Multiplier.java b/core-java-modules/core-java-lang-oop-methods/src/main/java/com/baeldung/methodoverloadingoverriding/util/Multiplier.java similarity index 100% rename from core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/methodoverloadingoverriding/util/Multiplier.java rename to core-java-modules/core-java-lang-oop-methods/src/main/java/com/baeldung/methodoverloadingoverriding/util/Multiplier.java diff --git a/core-java-modules/core-java-lang-oop-4/src/main/java/com/baeldung/basicmethods/PersonName.java b/core-java-modules/core-java-lang-oop-methods/src/main/java/com/baeldung/methods/PersonName.java similarity index 96% rename from core-java-modules/core-java-lang-oop-4/src/main/java/com/baeldung/basicmethods/PersonName.java rename to core-java-modules/core-java-lang-oop-methods/src/main/java/com/baeldung/methods/PersonName.java index 43bbf0dd62..d1f3f58b8c 100644 --- a/core-java-modules/core-java-lang-oop-4/src/main/java/com/baeldung/basicmethods/PersonName.java +++ b/core-java-modules/core-java-lang-oop-methods/src/main/java/com/baeldung/methods/PersonName.java @@ -1,4 +1,4 @@ -package com.baeldung.basicmethods; +package com.baeldung.methods; import java.io.FileWriter; import java.io.IOException; diff --git a/core-java-modules/core-java-lang-oop-2/src/test/java/com/baeldung/equalshashcode/MoneyUnitTest.java b/core-java-modules/core-java-lang-oop-methods/src/test/java/com/baeldung/equalshashcode/MoneyUnitTest.java similarity index 100% rename from core-java-modules/core-java-lang-oop-2/src/test/java/com/baeldung/equalshashcode/MoneyUnitTest.java rename to core-java-modules/core-java-lang-oop-methods/src/test/java/com/baeldung/equalshashcode/MoneyUnitTest.java diff --git a/core-java-modules/core-java-lang-oop-2/src/test/java/com/baeldung/equalshashcode/TeamUnitTest.java b/core-java-modules/core-java-lang-oop-methods/src/test/java/com/baeldung/equalshashcode/TeamUnitTest.java similarity index 96% rename from core-java-modules/core-java-lang-oop-2/src/test/java/com/baeldung/equalshashcode/TeamUnitTest.java rename to core-java-modules/core-java-lang-oop-methods/src/test/java/com/baeldung/equalshashcode/TeamUnitTest.java index 7dfc6d47a3..308004452b 100644 --- a/core-java-modules/core-java-lang-oop-2/src/test/java/com/baeldung/equalshashcode/TeamUnitTest.java +++ b/core-java-modules/core-java-lang-oop-methods/src/test/java/com/baeldung/equalshashcode/TeamUnitTest.java @@ -38,7 +38,7 @@ public class TeamUnitTest { } @Test - public void equalsContract() { + public void equalsHashCodeContracts() { EqualsVerifier.forClass(Team.class).verify(); } diff --git a/core-java-modules/core-java-lang-oop/src/test/java/com/baeldung/hashcode/entities/UserUnitTest.java b/core-java-modules/core-java-lang-oop-methods/src/test/java/com/baeldung/hashcode/UserUnitTest.java similarity index 90% rename from core-java-modules/core-java-lang-oop/src/test/java/com/baeldung/hashcode/entities/UserUnitTest.java rename to core-java-modules/core-java-lang-oop-methods/src/test/java/com/baeldung/hashcode/UserUnitTest.java index 44ea7efed1..51475acabf 100644 --- a/core-java-modules/core-java-lang-oop/src/test/java/com/baeldung/hashcode/entities/UserUnitTest.java +++ b/core-java-modules/core-java-lang-oop-methods/src/test/java/com/baeldung/hashcode/UserUnitTest.java @@ -1,5 +1,6 @@ -package com.baeldung.hashcode.entities; +package com.baeldung.hashcode; +import com.baeldung.hashcode.standard.User; import org.junit.After; import org.junit.Assert; import org.junit.Before; diff --git a/core-java-modules/core-java-lang-oop/src/test/java/com/baeldung/hashcode/application/ApplicationUnitTest.java b/core-java-modules/core-java-lang-oop-methods/src/test/java/com/baeldung/hashcode/application/ApplicationUnitTest.java similarity index 93% rename from core-java-modules/core-java-lang-oop/src/test/java/com/baeldung/hashcode/application/ApplicationUnitTest.java rename to core-java-modules/core-java-lang-oop-methods/src/test/java/com/baeldung/hashcode/application/ApplicationUnitTest.java index 49857f355a..18b2d4d570 100644 --- a/core-java-modules/core-java-lang-oop/src/test/java/com/baeldung/hashcode/application/ApplicationUnitTest.java +++ b/core-java-modules/core-java-lang-oop-methods/src/test/java/com/baeldung/hashcode/application/ApplicationUnitTest.java @@ -1,6 +1,6 @@ package com.baeldung.hashcode.application; -import com.baeldung.hashcode.entities.User; +import com.baeldung.hashcode.standard.User; import org.junit.Test; import java.util.HashMap; diff --git a/core-java-modules/core-java-lang-oop/src/test/java/com/baeldung/methodoverloadingoverriding/test/MethodOverloadingUnitTest.java b/core-java-modules/core-java-lang-oop-methods/src/test/java/com/baeldung/methodoverloadingoverriding/MethodOverloadingUnitTest.java similarity index 95% rename from core-java-modules/core-java-lang-oop/src/test/java/com/baeldung/methodoverloadingoverriding/test/MethodOverloadingUnitTest.java rename to core-java-modules/core-java-lang-oop-methods/src/test/java/com/baeldung/methodoverloadingoverriding/MethodOverloadingUnitTest.java index 081a30c34a..476e70618f 100644 --- a/core-java-modules/core-java-lang-oop/src/test/java/com/baeldung/methodoverloadingoverriding/test/MethodOverloadingUnitTest.java +++ b/core-java-modules/core-java-lang-oop-methods/src/test/java/com/baeldung/methodoverloadingoverriding/MethodOverloadingUnitTest.java @@ -1,4 +1,4 @@ -package com.baeldung.methodoverloadingoverriding.test; +package com.baeldung.methodoverloadingoverriding; import com.baeldung.methodoverloadingoverriding.util.Multiplier; import org.junit.BeforeClass; diff --git a/core-java-modules/core-java-lang-oop/src/test/java/com/baeldung/methodoverloadingoverriding/test/MethodOverridingUnitTest.java b/core-java-modules/core-java-lang-oop-methods/src/test/java/com/baeldung/methodoverloadingoverriding/MethodOverridingUnitTest.java similarity index 97% rename from core-java-modules/core-java-lang-oop/src/test/java/com/baeldung/methodoverloadingoverriding/test/MethodOverridingUnitTest.java rename to core-java-modules/core-java-lang-oop-methods/src/test/java/com/baeldung/methodoverloadingoverriding/MethodOverridingUnitTest.java index 554ac121bc..f4142d7382 100644 --- a/core-java-modules/core-java-lang-oop/src/test/java/com/baeldung/methodoverloadingoverriding/test/MethodOverridingUnitTest.java +++ b/core-java-modules/core-java-lang-oop-methods/src/test/java/com/baeldung/methodoverloadingoverriding/MethodOverridingUnitTest.java @@ -1,4 +1,4 @@ -package com.baeldung.methodoverloadingoverriding.test; +package com.baeldung.methodoverloadingoverriding; import com.baeldung.methodoverloadingoverriding.model.Car; import com.baeldung.methodoverloadingoverriding.model.Vehicle; diff --git a/core-java-modules/core-java-lang-oop-modifiers/README.md b/core-java-modules/core-java-lang-oop-modifiers/README.md new file mode 100644 index 0000000000..eef905fa0e --- /dev/null +++ b/core-java-modules/core-java-lang-oop-modifiers/README.md @@ -0,0 +1,12 @@ +## Core Java Lang OOP - Modifiers + +This module contains articles about modifiers in Java + +### Relevant Articles: +- [Access Modifiers in Java](https://www.baeldung.com/java-access-modifiers) +- [Java ‘public’ Access Modifier](https://www.baeldung.com/java-public-keyword) +- [Java ‘private’ Access Modifier](https://www.baeldung.com/java-private-keyword) +- [The “final” Keyword in Java](https://www.baeldung.com/java-final) +- [A Guide to the Static Keyword in Java](https://www.baeldung.com/java-static) +- [Static and Default Methods in Interfaces in Java](https://www.baeldung.com/java-static-default-methods) +- [The strictfp Keyword in Java](https://www.baeldung.com/java-strictfp) \ No newline at end of file diff --git a/core-java-modules/core-java-lang-oop-modifiers/pom.xml b/core-java-modules/core-java-lang-oop-modifiers/pom.xml new file mode 100644 index 0000000000..615e20690f --- /dev/null +++ b/core-java-modules/core-java-lang-oop-modifiers/pom.xml @@ -0,0 +1,34 @@ + + + + core-java-modules + com.baeldung.core-java-modules + 1.0.0-SNAPSHOT + + 4.0.0 + + core-java-lang-oop-modifiers + core-java-lang-oop-modifiers + jar + + + + org.assertj + assertj-core + ${assertj-core.version} + test + + + com.h2database + h2 + ${h2.version} + test + + + + + 3.10.0 + + \ No newline at end of file diff --git a/core-java-modules/core-java-lang-oop-3/src/main/java/com/baeldung/accessmodifiers/Public.java b/core-java-modules/core-java-lang-oop-modifiers/src/main/java/com/baeldung/accessmodifiers/Public.java similarity index 100% rename from core-java-modules/core-java-lang-oop-3/src/main/java/com/baeldung/accessmodifiers/Public.java rename to core-java-modules/core-java-lang-oop-modifiers/src/main/java/com/baeldung/accessmodifiers/Public.java diff --git a/core-java-modules/core-java-lang-oop-3/src/main/java/com/baeldung/accessmodifiers/SubClass.java b/core-java-modules/core-java-lang-oop-modifiers/src/main/java/com/baeldung/accessmodifiers/SubClass.java similarity index 100% rename from core-java-modules/core-java-lang-oop-3/src/main/java/com/baeldung/accessmodifiers/SubClass.java rename to core-java-modules/core-java-lang-oop-modifiers/src/main/java/com/baeldung/accessmodifiers/SubClass.java diff --git a/core-java-modules/core-java-lang-oop-3/src/main/java/com/baeldung/accessmodifiers/SuperPublic.java b/core-java-modules/core-java-lang-oop-modifiers/src/main/java/com/baeldung/accessmodifiers/SuperPublic.java similarity index 100% rename from core-java-modules/core-java-lang-oop-3/src/main/java/com/baeldung/accessmodifiers/SuperPublic.java rename to core-java-modules/core-java-lang-oop-modifiers/src/main/java/com/baeldung/accessmodifiers/SuperPublic.java diff --git a/core-java-modules/core-java-lang-oop-3/src/main/java/com/baeldung/accessmodifiers/another/AnotherPublic.java b/core-java-modules/core-java-lang-oop-modifiers/src/main/java/com/baeldung/accessmodifiers/another/AnotherPublic.java similarity index 100% rename from core-java-modules/core-java-lang-oop-3/src/main/java/com/baeldung/accessmodifiers/another/AnotherPublic.java rename to core-java-modules/core-java-lang-oop-modifiers/src/main/java/com/baeldung/accessmodifiers/another/AnotherPublic.java diff --git a/core-java-modules/core-java-lang-oop-3/src/main/java/com/baeldung/accessmodifiers/another/AnotherSubClass.java b/core-java-modules/core-java-lang-oop-modifiers/src/main/java/com/baeldung/accessmodifiers/another/AnotherSubClass.java similarity index 100% rename from core-java-modules/core-java-lang-oop-3/src/main/java/com/baeldung/accessmodifiers/another/AnotherSubClass.java rename to core-java-modules/core-java-lang-oop-modifiers/src/main/java/com/baeldung/accessmodifiers/another/AnotherSubClass.java diff --git a/core-java-modules/core-java-lang-oop-3/src/main/java/com/baeldung/accessmodifiers/another/AnotherSuperPublic.java b/core-java-modules/core-java-lang-oop-modifiers/src/main/java/com/baeldung/accessmodifiers/another/AnotherSuperPublic.java similarity index 100% rename from core-java-modules/core-java-lang-oop-3/src/main/java/com/baeldung/accessmodifiers/another/AnotherSuperPublic.java rename to core-java-modules/core-java-lang-oop-modifiers/src/main/java/com/baeldung/accessmodifiers/another/AnotherSuperPublic.java diff --git a/core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/defaultstaticinterfacemethods/application/Application.java b/core-java-modules/core-java-lang-oop-modifiers/src/main/java/com/baeldung/defaultstaticinterfacemethods/application/Application.java similarity index 100% rename from core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/defaultstaticinterfacemethods/application/Application.java rename to core-java-modules/core-java-lang-oop-modifiers/src/main/java/com/baeldung/defaultstaticinterfacemethods/application/Application.java diff --git a/core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/defaultstaticinterfacemethods/model/Alarm.java b/core-java-modules/core-java-lang-oop-modifiers/src/main/java/com/baeldung/defaultstaticinterfacemethods/model/Alarm.java similarity index 100% rename from core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/defaultstaticinterfacemethods/model/Alarm.java rename to core-java-modules/core-java-lang-oop-modifiers/src/main/java/com/baeldung/defaultstaticinterfacemethods/model/Alarm.java diff --git a/core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/defaultstaticinterfacemethods/model/Car.java b/core-java-modules/core-java-lang-oop-modifiers/src/main/java/com/baeldung/defaultstaticinterfacemethods/model/Car.java similarity index 100% rename from core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/defaultstaticinterfacemethods/model/Car.java rename to core-java-modules/core-java-lang-oop-modifiers/src/main/java/com/baeldung/defaultstaticinterfacemethods/model/Car.java diff --git a/core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/defaultstaticinterfacemethods/model/Motorbike.java b/core-java-modules/core-java-lang-oop-modifiers/src/main/java/com/baeldung/defaultstaticinterfacemethods/model/Motorbike.java similarity index 100% rename from core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/defaultstaticinterfacemethods/model/Motorbike.java rename to core-java-modules/core-java-lang-oop-modifiers/src/main/java/com/baeldung/defaultstaticinterfacemethods/model/Motorbike.java diff --git a/core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/defaultstaticinterfacemethods/model/MultiAlarmCar.java b/core-java-modules/core-java-lang-oop-modifiers/src/main/java/com/baeldung/defaultstaticinterfacemethods/model/MultiAlarmCar.java similarity index 100% rename from core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/defaultstaticinterfacemethods/model/MultiAlarmCar.java rename to core-java-modules/core-java-lang-oop-modifiers/src/main/java/com/baeldung/defaultstaticinterfacemethods/model/MultiAlarmCar.java diff --git a/core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/defaultstaticinterfacemethods/model/Vehicle.java b/core-java-modules/core-java-lang-oop-modifiers/src/main/java/com/baeldung/defaultstaticinterfacemethods/model/Vehicle.java similarity index 100% rename from core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/defaultstaticinterfacemethods/model/Vehicle.java rename to core-java-modules/core-java-lang-oop-modifiers/src/main/java/com/baeldung/defaultstaticinterfacemethods/model/Vehicle.java diff --git a/core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/finalkeyword/BlackCat.java b/core-java-modules/core-java-lang-oop-modifiers/src/main/java/com/baeldung/finalkeyword/BlackCat.java similarity index 100% rename from core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/finalkeyword/BlackCat.java rename to core-java-modules/core-java-lang-oop-modifiers/src/main/java/com/baeldung/finalkeyword/BlackCat.java diff --git a/core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/finalkeyword/BlackDog.java b/core-java-modules/core-java-lang-oop-modifiers/src/main/java/com/baeldung/finalkeyword/BlackDog.java similarity index 100% rename from core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/finalkeyword/BlackDog.java rename to core-java-modules/core-java-lang-oop-modifiers/src/main/java/com/baeldung/finalkeyword/BlackDog.java diff --git a/core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/finalkeyword/Cat.java b/core-java-modules/core-java-lang-oop-modifiers/src/main/java/com/baeldung/finalkeyword/Cat.java similarity index 100% rename from core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/finalkeyword/Cat.java rename to core-java-modules/core-java-lang-oop-modifiers/src/main/java/com/baeldung/finalkeyword/Cat.java diff --git a/core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/finalkeyword/Dog.java b/core-java-modules/core-java-lang-oop-modifiers/src/main/java/com/baeldung/finalkeyword/Dog.java similarity index 100% rename from core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/finalkeyword/Dog.java rename to core-java-modules/core-java-lang-oop-modifiers/src/main/java/com/baeldung/finalkeyword/Dog.java diff --git a/core-java-modules/core-java-lang-oop-4/src/main/java/com/baeldung/core/privatemodifier/Employee.java b/core-java-modules/core-java-lang-oop-modifiers/src/main/java/com/baeldung/privatemodifier/Employee.java similarity index 96% rename from core-java-modules/core-java-lang-oop-4/src/main/java/com/baeldung/core/privatemodifier/Employee.java rename to core-java-modules/core-java-lang-oop-modifiers/src/main/java/com/baeldung/privatemodifier/Employee.java index 4598400e93..a0f7829d51 100644 --- a/core-java-modules/core-java-lang-oop-4/src/main/java/com/baeldung/core/privatemodifier/Employee.java +++ b/core-java-modules/core-java-lang-oop-modifiers/src/main/java/com/baeldung/privatemodifier/Employee.java @@ -1,4 +1,4 @@ -package com.baeldung.core.privatemodifier; +package com.baeldung.privatemodifier; public class Employee { diff --git a/core-java-modules/core-java-lang-oop-4/src/main/java/com/baeldung/core/privatemodifier/ExampleClass.java b/core-java-modules/core-java-lang-oop-modifiers/src/main/java/com/baeldung/privatemodifier/ExampleClass.java similarity index 84% rename from core-java-modules/core-java-lang-oop-4/src/main/java/com/baeldung/core/privatemodifier/ExampleClass.java rename to core-java-modules/core-java-lang-oop-modifiers/src/main/java/com/baeldung/privatemodifier/ExampleClass.java index 8659b4ad9c..c87980fbe8 100644 --- a/core-java-modules/core-java-lang-oop-4/src/main/java/com/baeldung/core/privatemodifier/ExampleClass.java +++ b/core-java-modules/core-java-lang-oop-modifiers/src/main/java/com/baeldung/privatemodifier/ExampleClass.java @@ -1,4 +1,4 @@ -package com.baeldung.core.privatemodifier; +package com.baeldung.privatemodifier; public class ExampleClass { diff --git a/core-java-modules/core-java-lang-oop-4/src/main/java/com/baeldung/core/privatemodifier/PublicOuterClass.java b/core-java-modules/core-java-lang-oop-modifiers/src/main/java/com/baeldung/privatemodifier/PublicOuterClass.java similarity index 90% rename from core-java-modules/core-java-lang-oop-4/src/main/java/com/baeldung/core/privatemodifier/PublicOuterClass.java rename to core-java-modules/core-java-lang-oop-modifiers/src/main/java/com/baeldung/privatemodifier/PublicOuterClass.java index 8a9e8a8eb3..082d08b034 100644 --- a/core-java-modules/core-java-lang-oop-4/src/main/java/com/baeldung/core/privatemodifier/PublicOuterClass.java +++ b/core-java-modules/core-java-lang-oop-modifiers/src/main/java/com/baeldung/privatemodifier/PublicOuterClass.java @@ -1,4 +1,4 @@ -package com.baeldung.core.privatemodifier; +package com.baeldung.privatemodifier; public class PublicOuterClass { diff --git a/core-java-modules/core-java-lang-oop-3/src/main/java/com/baeldung/accessmodifiers/publicmodifier/ListOfThree.java b/core-java-modules/core-java-lang-oop-modifiers/src/main/java/com/baeldung/publicmodifier/ListOfThree.java similarity index 92% rename from core-java-modules/core-java-lang-oop-3/src/main/java/com/baeldung/accessmodifiers/publicmodifier/ListOfThree.java rename to core-java-modules/core-java-lang-oop-modifiers/src/main/java/com/baeldung/publicmodifier/ListOfThree.java index 2ded0ba5d3..0e3449f451 100644 --- a/core-java-modules/core-java-lang-oop-3/src/main/java/com/baeldung/accessmodifiers/publicmodifier/ListOfThree.java +++ b/core-java-modules/core-java-lang-oop-modifiers/src/main/java/com/baeldung/publicmodifier/ListOfThree.java @@ -1,4 +1,4 @@ -package com.baeldung.accessmodifiers.publicmodifier; +package com.baeldung.publicmodifier; import java.util.AbstractList; import java.util.Arrays; diff --git a/core-java-modules/core-java-lang-oop-3/src/main/java/com/baeldung/accessmodifiers/publicmodifier/SpecialCharacters.java b/core-java-modules/core-java-lang-oop-modifiers/src/main/java/com/baeldung/publicmodifier/SpecialCharacters.java similarity index 61% rename from core-java-modules/core-java-lang-oop-3/src/main/java/com/baeldung/accessmodifiers/publicmodifier/SpecialCharacters.java rename to core-java-modules/core-java-lang-oop-modifiers/src/main/java/com/baeldung/publicmodifier/SpecialCharacters.java index 5556e9aa57..633308e707 100644 --- a/core-java-modules/core-java-lang-oop-3/src/main/java/com/baeldung/accessmodifiers/publicmodifier/SpecialCharacters.java +++ b/core-java-modules/core-java-lang-oop-modifiers/src/main/java/com/baeldung/publicmodifier/SpecialCharacters.java @@ -1,4 +1,4 @@ -package com.baeldung.accessmodifiers.publicmodifier; +package com.baeldung.publicmodifier; public class SpecialCharacters { diff --git a/core-java-modules/core-java-lang-oop-3/src/main/java/com/baeldung/accessmodifiers/publicmodifier/Student.java b/core-java-modules/core-java-lang-oop-modifiers/src/main/java/com/baeldung/publicmodifier/Student.java similarity index 96% rename from core-java-modules/core-java-lang-oop-3/src/main/java/com/baeldung/accessmodifiers/publicmodifier/Student.java rename to core-java-modules/core-java-lang-oop-modifiers/src/main/java/com/baeldung/publicmodifier/Student.java index 83a0dcb30f..5aa80286bf 100644 --- a/core-java-modules/core-java-lang-oop-3/src/main/java/com/baeldung/accessmodifiers/publicmodifier/Student.java +++ b/core-java-modules/core-java-lang-oop-modifiers/src/main/java/com/baeldung/publicmodifier/Student.java @@ -1,4 +1,4 @@ -package com.baeldung.accessmodifiers.publicmodifier; +package com.baeldung.publicmodifier; import java.math.BigDecimal; import java.sql.Connection; diff --git a/core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/staticdemo/Car.java b/core-java-modules/core-java-lang-oop-modifiers/src/main/java/com/baeldung/staticmodifier/Car.java similarity index 96% rename from core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/staticdemo/Car.java rename to core-java-modules/core-java-lang-oop-modifiers/src/main/java/com/baeldung/staticmodifier/Car.java index cdb3806c35..950f008dcd 100644 --- a/core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/staticdemo/Car.java +++ b/core-java-modules/core-java-lang-oop-modifiers/src/main/java/com/baeldung/staticmodifier/Car.java @@ -1,4 +1,4 @@ -package com.baeldung.staticdemo; +package com.baeldung.staticmodifier; /** * This class demonstrates the use of static fields and static methods diff --git a/core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/staticdemo/Singleton.java b/core-java-modules/core-java-lang-oop-modifiers/src/main/java/com/baeldung/staticmodifier/Singleton.java similarity index 88% rename from core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/staticdemo/Singleton.java rename to core-java-modules/core-java-lang-oop-modifiers/src/main/java/com/baeldung/staticmodifier/Singleton.java index de75af9d9d..6e7dcf7c60 100644 --- a/core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/staticdemo/Singleton.java +++ b/core-java-modules/core-java-lang-oop-modifiers/src/main/java/com/baeldung/staticmodifier/Singleton.java @@ -1,4 +1,4 @@ -package com.baeldung.staticdemo; +package com.baeldung.staticmodifier; public class Singleton { private Singleton() {} diff --git a/core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/staticdemo/StaticBlock.java b/core-java-modules/core-java-lang-oop-modifiers/src/main/java/com/baeldung/staticmodifier/StaticBlockDemo.java similarity index 81% rename from core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/staticdemo/StaticBlock.java rename to core-java-modules/core-java-lang-oop-modifiers/src/main/java/com/baeldung/staticmodifier/StaticBlockDemo.java index fde7afb090..637bb5e82a 100644 --- a/core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/staticdemo/StaticBlock.java +++ b/core-java-modules/core-java-lang-oop-modifiers/src/main/java/com/baeldung/staticmodifier/StaticBlockDemo.java @@ -1,9 +1,9 @@ -package com.baeldung.staticdemo; +package com.baeldung.staticmodifier; import java.util.LinkedList; import java.util.List; -public class StaticBlock { +public class StaticBlockDemo { private static List ranks = new LinkedList<>(); static { @@ -23,6 +23,6 @@ public class StaticBlock { } public static void setRanks(List ranks) { - StaticBlock.ranks = ranks; + StaticBlockDemo.ranks = ranks; } } diff --git a/core-java-modules/core-java-lang-oop-4/src/main/java/com/baeldung/strictfpUsage/Circle.java b/core-java-modules/core-java-lang-oop-modifiers/src/main/java/com/baeldung/strictfpUsage/Circle.java similarity index 100% rename from core-java-modules/core-java-lang-oop-4/src/main/java/com/baeldung/strictfpUsage/Circle.java rename to core-java-modules/core-java-lang-oop-modifiers/src/main/java/com/baeldung/strictfpUsage/Circle.java diff --git a/core-java-modules/core-java-lang-oop-4/src/main/java/com/baeldung/strictfpUsage/ScientificCalculator.java b/core-java-modules/core-java-lang-oop-modifiers/src/main/java/com/baeldung/strictfpUsage/ScientificCalculator.java similarity index 100% rename from core-java-modules/core-java-lang-oop-4/src/main/java/com/baeldung/strictfpUsage/ScientificCalculator.java rename to core-java-modules/core-java-lang-oop-modifiers/src/main/java/com/baeldung/strictfpUsage/ScientificCalculator.java diff --git a/core-java-modules/core-java-lang-oop-2/src/test/java/com/baeldung/defaultistaticinterfacemethods/test/StaticDefaulInterfaceMethodUnitTest.java b/core-java-modules/core-java-lang-oop-modifiers/src/test/java/com/baeldung/defaultstaticinterfacemethods/StaticDefaulInterfaceMethodUnitTest.java similarity index 97% rename from core-java-modules/core-java-lang-oop-2/src/test/java/com/baeldung/defaultistaticinterfacemethods/test/StaticDefaulInterfaceMethodUnitTest.java rename to core-java-modules/core-java-lang-oop-modifiers/src/test/java/com/baeldung/defaultstaticinterfacemethods/StaticDefaulInterfaceMethodUnitTest.java index 7d4b06908a..0dffe8f80e 100644 --- a/core-java-modules/core-java-lang-oop-2/src/test/java/com/baeldung/defaultistaticinterfacemethods/test/StaticDefaulInterfaceMethodUnitTest.java +++ b/core-java-modules/core-java-lang-oop-modifiers/src/test/java/com/baeldung/defaultstaticinterfacemethods/StaticDefaulInterfaceMethodUnitTest.java @@ -1,4 +1,4 @@ -package com.baeldung.defaultistaticinterfacemethods.test; +package com.baeldung.defaultstaticinterfacemethods; import com.baeldung.defaultstaticinterfacemethods.model.Car; import com.baeldung.defaultstaticinterfacemethods.model.Motorbike; diff --git a/core-java-modules/core-java-lang-oop/src/test/java/com/baeldung/finalkeyword/FinalUnitTest.java b/core-java-modules/core-java-lang-oop-modifiers/src/test/java/com/baeldung/finalkeyword/FinalUnitTest.java similarity index 100% rename from core-java-modules/core-java-lang-oop/src/test/java/com/baeldung/finalkeyword/FinalUnitTest.java rename to core-java-modules/core-java-lang-oop-modifiers/src/test/java/com/baeldung/finalkeyword/FinalUnitTest.java diff --git a/core-java-modules/core-java-lang-oop-3/src/test/java/com/baeldung/accessmodifiers/PublicAccessModifierUnitTest.java b/core-java-modules/core-java-lang-oop-modifiers/src/test/java/com/baeldung/publicmodifier/PublicAccessModifierUnitTest.java similarity index 94% rename from core-java-modules/core-java-lang-oop-3/src/test/java/com/baeldung/accessmodifiers/PublicAccessModifierUnitTest.java rename to core-java-modules/core-java-lang-oop-modifiers/src/test/java/com/baeldung/publicmodifier/PublicAccessModifierUnitTest.java index ed8fb4f45a..8c014e703b 100644 --- a/core-java-modules/core-java-lang-oop-3/src/test/java/com/baeldung/accessmodifiers/PublicAccessModifierUnitTest.java +++ b/core-java-modules/core-java-lang-oop-modifiers/src/test/java/com/baeldung/publicmodifier/PublicAccessModifierUnitTest.java @@ -1,7 +1,5 @@ -package com.baeldung.accessmodifiers; +package com.baeldung.publicmodifier; -import com.baeldung.accessmodifiers.publicmodifier.ListOfThree; -import com.baeldung.accessmodifiers.publicmodifier.Student; import org.junit.jupiter.api.Test; import org.junit.jupiter.api.TestInstance; import org.junit.jupiter.api.TestInstance.Lifecycle; diff --git a/core-java-modules/core-java-lang-oop/src/test/java/com/baeldung/staticdemo/CarIntegrationTest.java b/core-java-modules/core-java-lang-oop-modifiers/src/test/java/com/baeldung/staticmodifier/CarUnitTest.java similarity index 80% rename from core-java-modules/core-java-lang-oop/src/test/java/com/baeldung/staticdemo/CarIntegrationTest.java rename to core-java-modules/core-java-lang-oop-modifiers/src/test/java/com/baeldung/staticmodifier/CarUnitTest.java index 3150627269..f55955caa8 100644 --- a/core-java-modules/core-java-lang-oop/src/test/java/com/baeldung/staticdemo/CarIntegrationTest.java +++ b/core-java-modules/core-java-lang-oop-modifiers/src/test/java/com/baeldung/staticmodifier/CarUnitTest.java @@ -1,10 +1,10 @@ -package com.baeldung.staticdemo; +package com.baeldung.staticmodifier; import static org.junit.Assert.*; import org.junit.Test; -public class CarIntegrationTest { +public class CarUnitTest { @Test public void whenNumberOfCarObjectsInitialized_thenStaticCounterIncreases() { new Car("Jaguar", "V8"); diff --git a/core-java-modules/core-java-lang-oop/src/test/java/com/baeldung/staticdemo/SingletonIntegrationTest.java b/core-java-modules/core-java-lang-oop-modifiers/src/test/java/com/baeldung/staticmodifier/SingletonUnitTest.java similarity index 81% rename from core-java-modules/core-java-lang-oop/src/test/java/com/baeldung/staticdemo/SingletonIntegrationTest.java rename to core-java-modules/core-java-lang-oop-modifiers/src/test/java/com/baeldung/staticmodifier/SingletonUnitTest.java index 28d864073a..6371fd4961 100644 --- a/core-java-modules/core-java-lang-oop/src/test/java/com/baeldung/staticdemo/SingletonIntegrationTest.java +++ b/core-java-modules/core-java-lang-oop-modifiers/src/test/java/com/baeldung/staticmodifier/SingletonUnitTest.java @@ -1,9 +1,9 @@ -package com.baeldung.staticdemo; +package com.baeldung.staticmodifier; import org.junit.Assert; import org.junit.Test; -public class SingletonIntegrationTest { +public class SingletonUnitTest { @Test public void givenStaticInnerClass_whenMultipleTimesInstanceCalled_thenOnlyOneTimeInitialized() { diff --git a/core-java-modules/core-java-lang-oop/src/test/java/com/baeldung/staticdemo/StaticBlockIntegrationTest.java b/core-java-modules/core-java-lang-oop-modifiers/src/test/java/com/baeldung/staticmodifier/StaticBlockDemoUnitTest.java similarity index 72% rename from core-java-modules/core-java-lang-oop/src/test/java/com/baeldung/staticdemo/StaticBlockIntegrationTest.java rename to core-java-modules/core-java-lang-oop-modifiers/src/test/java/com/baeldung/staticmodifier/StaticBlockDemoUnitTest.java index f98e3e14db..f31a8e8895 100644 --- a/core-java-modules/core-java-lang-oop/src/test/java/com/baeldung/staticdemo/StaticBlockIntegrationTest.java +++ b/core-java-modules/core-java-lang-oop-modifiers/src/test/java/com/baeldung/staticmodifier/StaticBlockDemoUnitTest.java @@ -1,4 +1,4 @@ -package com.baeldung.staticdemo; +package com.baeldung.staticmodifier; import static org.hamcrest.collection.IsIterableContainingInOrder.contains; import static org.junit.Assert.assertThat; @@ -7,11 +7,11 @@ import java.util.List; import org.junit.Test; -public class StaticBlockIntegrationTest { +public class StaticBlockDemoUnitTest { @Test public void whenAddedListElementsThroughStaticBlock_thenEnsureCorrectOrder() { - List actualList = StaticBlock.getRanks(); + List actualList = StaticBlockDemo.getRanks(); assertThat(actualList, contains("Lieutenant", "Captain", "Major", "Colonel", "General")); } } diff --git a/core-java-modules/core-java-lang-oop-4/src/test/java/com/baeldung/strictfpUsage/ScientificCalculatorUnitTest.java b/core-java-modules/core-java-lang-oop-modifiers/src/test/java/com/baeldung/strictfpUsage/ScientificCalculatorUnitTest.java similarity index 100% rename from core-java-modules/core-java-lang-oop-4/src/test/java/com/baeldung/strictfpUsage/ScientificCalculatorUnitTest.java rename to core-java-modules/core-java-lang-oop-modifiers/src/test/java/com/baeldung/strictfpUsage/ScientificCalculatorUnitTest.java diff --git a/core-java-modules/core-java-lang-oop-others/README.md b/core-java-modules/core-java-lang-oop-others/README.md new file mode 100644 index 0000000000..d3909c0014 --- /dev/null +++ b/core-java-modules/core-java-lang-oop-others/README.md @@ -0,0 +1,8 @@ +## Core Java Lang OOP - Others + +This module contains articles about Object Oriented Programming (OOP) in Java + +### Relevant Articles: +- [Object-Oriented-Programming Concepts in Java](https://www.baeldung.com/java-oop) +- [Static and Dynamic Binding in Java](https://www.baeldung.com/java-static-dynamic-binding) +- [Pass-By-Value as a Parameter Passing Mechanism in Java](https://www.baeldung.com/java-pass-by-value-or-pass-by-reference) diff --git a/core-java-modules/core-java-lang-oop-others/pom.xml b/core-java-modules/core-java-lang-oop-others/pom.xml new file mode 100644 index 0000000000..8eab301748 --- /dev/null +++ b/core-java-modules/core-java-lang-oop-others/pom.xml @@ -0,0 +1,16 @@ + + + + core-java-modules + com.baeldung.core-java-modules + 1.0.0-SNAPSHOT + + 4.0.0 + + core-java-lang-oop-others + core-java-lang-oop-others + jar + + \ No newline at end of file diff --git a/core-java-modules/core-java-lang-oop-4/src/main/java/com/baeldung/binding/Animal.java b/core-java-modules/core-java-lang-oop-others/src/main/java/com/baeldung/binding/Animal.java similarity index 100% rename from core-java-modules/core-java-lang-oop-4/src/main/java/com/baeldung/binding/Animal.java rename to core-java-modules/core-java-lang-oop-others/src/main/java/com/baeldung/binding/Animal.java diff --git a/core-java-modules/core-java-lang-oop-4/src/main/java/com/baeldung/binding/AnimalActivity.java b/core-java-modules/core-java-lang-oop-others/src/main/java/com/baeldung/binding/AnimalActivity.java similarity index 90% rename from core-java-modules/core-java-lang-oop-4/src/main/java/com/baeldung/binding/AnimalActivity.java rename to core-java-modules/core-java-lang-oop-others/src/main/java/com/baeldung/binding/AnimalActivity.java index 1bd36123e3..a30c3acd00 100644 --- a/core-java-modules/core-java-lang-oop-4/src/main/java/com/baeldung/binding/AnimalActivity.java +++ b/core-java-modules/core-java-lang-oop-others/src/main/java/com/baeldung/binding/AnimalActivity.java @@ -15,7 +15,7 @@ public class AnimalActivity { logger.info("Animal is sleeping"); } - public static void sleep(Cat cat) { + public static void sleep(Dog dog) { logger.info("Cat is sleeping"); } @@ -30,7 +30,7 @@ public class AnimalActivity { //assigning a dog object to reference of type Animal - Animal catAnimal = new Cat(); + Animal catAnimal = new Dog(); catAnimal.makeNoise(); diff --git a/core-java-modules/core-java-lang-oop-4/src/main/java/com/baeldung/binding/Cat.java b/core-java-modules/core-java-lang-oop-others/src/main/java/com/baeldung/binding/Dog.java similarity index 68% rename from core-java-modules/core-java-lang-oop-4/src/main/java/com/baeldung/binding/Cat.java rename to core-java-modules/core-java-lang-oop-others/src/main/java/com/baeldung/binding/Dog.java index bbe740e412..b6924569d0 100644 --- a/core-java-modules/core-java-lang-oop-4/src/main/java/com/baeldung/binding/Cat.java +++ b/core-java-modules/core-java-lang-oop-others/src/main/java/com/baeldung/binding/Dog.java @@ -6,9 +6,9 @@ import org.slf4j.LoggerFactory; /** * Created by madhumita.g on 25-07-2018. */ -public class Cat extends Animal { +public class Dog extends Animal { - final static Logger logger = LoggerFactory.getLogger(Cat.class); + final static Logger logger = LoggerFactory.getLogger(Dog.class); public void makeNoise() { diff --git a/core-java-modules/core-java-lang-oop-others/src/main/java/com/baeldung/oop/ArmoredCar.java b/core-java-modules/core-java-lang-oop-others/src/main/java/com/baeldung/oop/ArmoredCar.java new file mode 100644 index 0000000000..29cba3702a --- /dev/null +++ b/core-java-modules/core-java-lang-oop-others/src/main/java/com/baeldung/oop/ArmoredCar.java @@ -0,0 +1,13 @@ +package com.baeldung.oop; + +public class ArmoredCar extends Car { + private int bulletProofWindows; + + public ArmoredCar(String type, String model, String color) { + super(type, model, color); + } + + public void remoteStartCar() { + // this vehicle can be started by using a remote control + } +} diff --git a/core-java-modules/core-java-lang-oop-others/src/main/java/com/baeldung/oop/Car.java b/core-java-modules/core-java-lang-oop-others/src/main/java/com/baeldung/oop/Car.java new file mode 100644 index 0000000000..8ea4d779b6 --- /dev/null +++ b/core-java-modules/core-java-lang-oop-others/src/main/java/com/baeldung/oop/Car.java @@ -0,0 +1,58 @@ +package com.baeldung.oop; + +public class Car extends Vehicle { + + private String type; + private String color; + private int speed; + private int numberOfGears; + + public Car(String type, String model, String color) { + super(4, model); + this.type = type; + this.color = color; + } + + public String getColor() { + return color; + } + + public void setColor(String color) { + this.color = color; + } + + public int getSpeed() { + return speed; + } + + public void setSpeed(int speed) { + this.speed = speed; + } + + public int increaseSpeed(int increment) { + if (increment > 0) { + this.speed += increment; + } else { + System.out.println("Increment can't be negative."); + } + return this.speed; + } + + public int decreaseSpeed(int decrement) { + if (decrement > 0 && decrement <= this.speed) { + this.speed -= decrement; + } else { + System.out.println("Decrement can't be negative or greater than current speed."); + } + return this.speed; + } + + public void openDoors() { + // process to open the doors + } + + @Override + public void honk() { + // produces car-specific honk + } +} diff --git a/core-java-modules/core-java-lang-oop-others/src/main/java/com/baeldung/oop/GenericFile.java b/core-java-modules/core-java-lang-oop-others/src/main/java/com/baeldung/oop/GenericFile.java new file mode 100644 index 0000000000..812a3f1d63 --- /dev/null +++ b/core-java-modules/core-java-lang-oop-others/src/main/java/com/baeldung/oop/GenericFile.java @@ -0,0 +1,63 @@ +package com.baeldung.oop; + +import java.util.Date; + +public class GenericFile { + private String name; + private String extension; + private Date dateCreated; + private String version; + private byte[] content; + + public GenericFile() { + this.setDateCreated(new Date()); + } + + public String getName() { + return name; + } + + public void setName(String name) { + this.name = name; + } + + public String getExtension() { + return extension; + } + + public void setExtension(String extension) { + this.extension = extension; + } + + public Date getDateCreated() { + return dateCreated; + } + + public void setDateCreated(Date dateCreated) { + this.dateCreated = dateCreated; + } + + public String getVersion() { + return version; + } + + public void setVersion(String version) { + this.version = version; + } + + public byte[] getContent() { + return content; + } + + public void setContent(byte[] content) { + this.content = content; + } + + public String getFileInfo() { + return "Generic File Impl"; + } + + public Object read() { + return content; + } +} diff --git a/core-java-modules/core-java-lang-oop-others/src/main/java/com/baeldung/oop/ImageFile.java b/core-java-modules/core-java-lang-oop-others/src/main/java/com/baeldung/oop/ImageFile.java new file mode 100644 index 0000000000..2e2b9b4129 --- /dev/null +++ b/core-java-modules/core-java-lang-oop-others/src/main/java/com/baeldung/oop/ImageFile.java @@ -0,0 +1,41 @@ +package com.baeldung.oop; + +public class ImageFile extends GenericFile { + private int height; + private int width; + + public ImageFile(String name, int height, int width, byte[] content, String version) { + this.setHeight(height); + this.setWidth(width); + this.setContent(content); + this.setName(name); + this.setVersion(version); + this.setExtension(".jpg"); + } + + public int getHeight() { + return height; + } + + public void setHeight(int height) { + this.height = height; + } + + public int getWidth() { + return width; + } + + public void setWidth(int width) { + this.width = width; + } + + public String getFileInfo() { + return "Image File Impl"; + } + + public String read() { + return this.getContent() + .toString(); + } + +} diff --git a/core-java-modules/core-java-lang-oop-others/src/main/java/com/baeldung/oop/TextFile.java b/core-java-modules/core-java-lang-oop-others/src/main/java/com/baeldung/oop/TextFile.java new file mode 100644 index 0000000000..0d7b8e4192 --- /dev/null +++ b/core-java-modules/core-java-lang-oop-others/src/main/java/com/baeldung/oop/TextFile.java @@ -0,0 +1,44 @@ +package com.baeldung.oop; + +public class TextFile extends GenericFile { + private int wordCount; + + public TextFile(String name, String content, String version) { + String[] words = content.split(" "); + this.setWordCount(words.length > 0 ? words.length : 1); + this.setContent(content.getBytes()); + this.setName(name); + this.setVersion(version); + this.setExtension(".txt"); + } + + public int getWordCount() { + return wordCount; + } + + public void setWordCount(int wordCount) { + this.wordCount = wordCount; + } + + public String getFileInfo() { + return "Text File Impl"; + } + + public String read() { + return this.getContent() + .toString(); + } + + public String read(int limit) { + return this.getContent() + .toString() + .substring(0, limit); + } + + public String read(int start, int stop) { + return this.getContent() + .toString() + .substring(start, stop); + } + +} diff --git a/core-java-modules/core-java-lang-oop-others/src/main/java/com/baeldung/oop/Vehicle.java b/core-java-modules/core-java-lang-oop-others/src/main/java/com/baeldung/oop/Vehicle.java new file mode 100644 index 0000000000..d5ef05bc31 --- /dev/null +++ b/core-java-modules/core-java-lang-oop-others/src/main/java/com/baeldung/oop/Vehicle.java @@ -0,0 +1,23 @@ +package com.baeldung.oop; + +public class Vehicle { + private int wheels; + private String model; + + public Vehicle(int wheels, String model) { + this.wheels = wheels; + this.model = model; + } + + public void start() { + // the process of starting the vehicle + } + + public void stop() { + // process to stop the vehicle + } + + public void honk() { + // produces a default honk + } +} diff --git a/core-java-modules/core-java-lang-oop-3/src/main/java/com/baeldung/parameterpassing/NonPrimitives.java b/core-java-modules/core-java-lang-oop-others/src/main/java/com/baeldung/parameterpassing/NonPrimitives.java similarity index 100% rename from core-java-modules/core-java-lang-oop-3/src/main/java/com/baeldung/parameterpassing/NonPrimitives.java rename to core-java-modules/core-java-lang-oop-others/src/main/java/com/baeldung/parameterpassing/NonPrimitives.java diff --git a/core-java-modules/core-java-lang-oop-3/src/main/java/com/baeldung/parameterpassing/Primitives.java b/core-java-modules/core-java-lang-oop-others/src/main/java/com/baeldung/parameterpassing/Primitives.java similarity index 100% rename from core-java-modules/core-java-lang-oop-3/src/main/java/com/baeldung/parameterpassing/Primitives.java rename to core-java-modules/core-java-lang-oop-others/src/main/java/com/baeldung/parameterpassing/Primitives.java diff --git a/core-java-modules/core-java-lang-oop-4/src/test/java/com/baeldung/binding/AnimalActivityUnitTest.java b/core-java-modules/core-java-lang-oop-others/src/test/java/com/baeldung/binding/AnimalActivityUnitTest.java similarity index 96% rename from core-java-modules/core-java-lang-oop-4/src/test/java/com/baeldung/binding/AnimalActivityUnitTest.java rename to core-java-modules/core-java-lang-oop-others/src/test/java/com/baeldung/binding/AnimalActivityUnitTest.java index 41c67ff389..6ef9b51818 100644 --- a/core-java-modules/core-java-lang-oop-4/src/test/java/com/baeldung/binding/AnimalActivityUnitTest.java +++ b/core-java-modules/core-java-lang-oop-others/src/test/java/com/baeldung/binding/AnimalActivityUnitTest.java @@ -62,9 +62,9 @@ public class AnimalActivityUnitTest { @Test public void givenDogReference__whenRefersCatObject_shouldCallFunctionWithAnimalParam() { - Cat cat = new Cat(); + Dog dog = new Dog(); - AnimalActivity.sleep(cat); + AnimalActivity.sleep(dog); verify(mockAppender).doAppend(captorLoggingEvent.capture()); @@ -79,7 +79,7 @@ public class AnimalActivityUnitTest { @Test public void givenAnimaReference__whenRefersDogObject_shouldCallFunctionWithAnimalParam() { - Animal cat = new Cat(); + Animal cat = new Dog(); AnimalActivity.sleep(cat); diff --git a/core-java-modules/core-java-lang-oop-4/src/test/java/com/baeldung/binding/AnimalUnitTest.java b/core-java-modules/core-java-lang-oop-others/src/test/java/com/baeldung/binding/AnimalUnitTest.java similarity index 100% rename from core-java-modules/core-java-lang-oop-4/src/test/java/com/baeldung/binding/AnimalUnitTest.java rename to core-java-modules/core-java-lang-oop-others/src/test/java/com/baeldung/binding/AnimalUnitTest.java diff --git a/core-java-modules/core-java-lang-oop-4/src/test/java/com/baeldung/binding/CatUnitTest.java b/core-java-modules/core-java-lang-oop-others/src/test/java/com/baeldung/binding/DogUnitTest.java similarity index 94% rename from core-java-modules/core-java-lang-oop-4/src/test/java/com/baeldung/binding/CatUnitTest.java rename to core-java-modules/core-java-lang-oop-others/src/test/java/com/baeldung/binding/DogUnitTest.java index 76ccfb7719..977c5d65e6 100644 --- a/core-java-modules/core-java-lang-oop-4/src/test/java/com/baeldung/binding/CatUnitTest.java +++ b/core-java-modules/core-java-lang-oop-others/src/test/java/com/baeldung/binding/DogUnitTest.java @@ -22,7 +22,7 @@ import static org.mockito.Mockito.verify; * Created by madhumita.g on 01-08-2018. */ @RunWith(MockitoJUnitRunner.class) -public class CatUnitTest { +public class DogUnitTest { @Mock private Appender mockAppender; @@ -45,9 +45,9 @@ public class CatUnitTest { @Test public void makeNoiseTest() { - Cat cat = new Cat(); + Dog dog = new Dog(); - cat.makeNoise(); + dog.makeNoise(); verify(mockAppender).doAppend(captorLoggingEvent.capture()); diff --git a/core-java-modules/core-java-lang-oop-3/src/test/java/com/baeldung/parameterpassing/NonPrimitivesUnitTest.java b/core-java-modules/core-java-lang-oop-others/src/test/java/com/baeldung/parameterpassing/NonPrimitivesUnitTest.java similarity index 100% rename from core-java-modules/core-java-lang-oop-3/src/test/java/com/baeldung/parameterpassing/NonPrimitivesUnitTest.java rename to core-java-modules/core-java-lang-oop-others/src/test/java/com/baeldung/parameterpassing/NonPrimitivesUnitTest.java diff --git a/core-java-modules/core-java-lang-oop-3/src/test/java/com/baeldung/parameterpassing/PrimitivesUnitTest.java b/core-java-modules/core-java-lang-oop-others/src/test/java/com/baeldung/parameterpassing/PrimitivesUnitTest.java similarity index 100% rename from core-java-modules/core-java-lang-oop-3/src/test/java/com/baeldung/parameterpassing/PrimitivesUnitTest.java rename to core-java-modules/core-java-lang-oop-others/src/test/java/com/baeldung/parameterpassing/PrimitivesUnitTest.java diff --git a/core-java-modules/core-java-lang-oop-patterns/README.md b/core-java-modules/core-java-lang-oop-patterns/README.md new file mode 100644 index 0000000000..178a556a96 --- /dev/null +++ b/core-java-modules/core-java-lang-oop-patterns/README.md @@ -0,0 +1,9 @@ +## Core Java Lang OOP - Patterns + +This module contains articles about Object-oriented programming (OOP) patterns in Java + +### Relevant Articles: +- [Composition, Aggregation, and Association in Java](https://www.baeldung.com/java-composition-aggregation-association) +- [Inheritance and Composition (Is-a vs Has-a relationship) in Java](https://www.baeldung.com/java-inheritance-composition) +- [Immutable Objects in Java](https://www.baeldung.com/java-immutable-object) +- [How to Make a Deep Copy of an Object in Java](https://www.baeldung.com/java-deep-copy) diff --git a/core-java-modules/core-java-lang-oop/pom.xml b/core-java-modules/core-java-lang-oop-patterns/pom.xml similarity index 55% rename from core-java-modules/core-java-lang-oop/pom.xml rename to core-java-modules/core-java-lang-oop-patterns/pom.xml index 4415784f85..0102ef2653 100644 --- a/core-java-modules/core-java-lang-oop/pom.xml +++ b/core-java-modules/core-java-lang-oop-patterns/pom.xml @@ -1,20 +1,17 @@ - - 4.0.0 - core-java-lang-oop - 0.1.0-SNAPSHOT - core-java-lang-oop - jar - + - com.baeldung - parent-java - 0.0.1-SNAPSHOT - ../../parent-java + core-java-modules + com.baeldung.core-java-modules + 1.0.0-SNAPSHOT + 4.0.0 + + core-java-lang-oop-patterns + core-java-lang-oop-patterns + jar @@ -22,8 +19,6 @@ commons-lang3 ${commons-lang3.version} - - com.fasterxml.jackson.core jackson-databind @@ -34,7 +29,7 @@ gson ${gson.version} - + org.assertj assertj-core @@ -43,20 +38,8 @@ - - core-java-lang-oop - - - src/main/resources - true - - - - 2.8.2 - 3.10.0 - - + \ No newline at end of file diff --git a/core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/deepcopy/Address.java b/core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/deepcopy/Address.java similarity index 100% rename from core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/deepcopy/Address.java rename to core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/deepcopy/Address.java diff --git a/core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/deepcopy/User.java b/core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/deepcopy/User.java similarity index 100% rename from core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/deepcopy/User.java rename to core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/deepcopy/User.java diff --git a/core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/immutableobjects/Currency.java b/core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/immutableobjects/Currency.java similarity index 100% rename from core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/immutableobjects/Currency.java rename to core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/immutableobjects/Currency.java diff --git a/core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/immutableobjects/Money.java b/core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/immutableobjects/Money.java similarity index 100% rename from core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/immutableobjects/Money.java rename to core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/immutableobjects/Money.java diff --git a/core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/inheritancecomposition/application/Application.java b/core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/inheritancecomposition/application/Application.java similarity index 100% rename from core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/inheritancecomposition/application/Application.java rename to core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/inheritancecomposition/application/Application.java diff --git a/core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/inheritancecomposition/model/Actress.java b/core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/inheritancecomposition/model/Actress.java similarity index 100% rename from core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/inheritancecomposition/model/Actress.java rename to core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/inheritancecomposition/model/Actress.java diff --git a/core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/inheritancecomposition/model/Computer.java b/core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/inheritancecomposition/model/Computer.java similarity index 100% rename from core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/inheritancecomposition/model/Computer.java rename to core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/inheritancecomposition/model/Computer.java diff --git a/core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/inheritancecomposition/model/ComputerBuilder.java b/core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/inheritancecomposition/model/ComputerBuilder.java new file mode 100644 index 0000000000..4d8574e93f --- /dev/null +++ b/core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/inheritancecomposition/model/ComputerBuilder.java @@ -0,0 +1,13 @@ +package com.baeldung.inheritancecomposition.model; + +public abstract class ComputerBuilder { + + public final void buildComputer() { + addProcessor(); + addMemory(); + } + + public abstract void addProcessor(); + + public abstract void addMemory(); +} diff --git a/core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/inheritancecomposition/model/Memory.java b/core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/inheritancecomposition/model/Memory.java similarity index 100% rename from core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/inheritancecomposition/model/Memory.java rename to core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/inheritancecomposition/model/Memory.java diff --git a/core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/inheritancecomposition/model/Person.java b/core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/inheritancecomposition/model/Person.java similarity index 100% rename from core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/inheritancecomposition/model/Person.java rename to core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/inheritancecomposition/model/Person.java diff --git a/core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/inheritancecomposition/model/Processor.java b/core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/inheritancecomposition/model/Processor.java similarity index 100% rename from core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/inheritancecomposition/model/Processor.java rename to core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/inheritancecomposition/model/Processor.java diff --git a/core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/inheritancecomposition/model/SoundCard.java b/core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/inheritancecomposition/model/SoundCard.java similarity index 100% rename from core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/inheritancecomposition/model/SoundCard.java rename to core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/inheritancecomposition/model/SoundCard.java diff --git a/core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/inheritancecomposition/model/StandardComputerBuilder.java b/core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/inheritancecomposition/model/StandardComputerBuilder.java new file mode 100644 index 0000000000..76c4732ace --- /dev/null +++ b/core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/inheritancecomposition/model/StandardComputerBuilder.java @@ -0,0 +1,13 @@ +package com.baeldung.inheritancecomposition.model; + +public class StandardComputerBuilder extends ComputerBuilder { + @Override + public void addProcessor() { + // method implementation + } + + @Override + public void addMemory() { + // method implementation + } +} diff --git a/core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/inheritancecomposition/model/StandardMemory.java b/core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/inheritancecomposition/model/StandardMemory.java similarity index 100% rename from core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/inheritancecomposition/model/StandardMemory.java rename to core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/inheritancecomposition/model/StandardMemory.java diff --git a/core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/inheritancecomposition/model/StandardProcessor.java b/core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/inheritancecomposition/model/StandardProcessor.java similarity index 100% rename from core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/inheritancecomposition/model/StandardProcessor.java rename to core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/inheritancecomposition/model/StandardProcessor.java diff --git a/core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/inheritancecomposition/model/StandardSoundCard.java b/core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/inheritancecomposition/model/StandardSoundCard.java similarity index 100% rename from core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/inheritancecomposition/model/StandardSoundCard.java rename to core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/inheritancecomposition/model/StandardSoundCard.java diff --git a/core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/inheritancecomposition/model/Waitress.java b/core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/inheritancecomposition/model/Waitress.java similarity index 100% rename from core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/inheritancecomposition/model/Waitress.java rename to core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/inheritancecomposition/model/Waitress.java diff --git a/core-java-modules/core-java-lang-oop-3/src/main/java/com/baeldung/relationships/aggregation/Car.java b/core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/relationships/aggregation/Car.java similarity index 100% rename from core-java-modules/core-java-lang-oop-3/src/main/java/com/baeldung/relationships/aggregation/Car.java rename to core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/relationships/aggregation/Car.java diff --git a/core-java-modules/core-java-lang-oop-3/src/main/java/com/baeldung/relationships/aggregation/CarWithStaticInnerWheel.java b/core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/relationships/aggregation/CarWithStaticInnerWheel.java similarity index 100% rename from core-java-modules/core-java-lang-oop-3/src/main/java/com/baeldung/relationships/aggregation/CarWithStaticInnerWheel.java rename to core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/relationships/aggregation/CarWithStaticInnerWheel.java diff --git a/core-java-modules/core-java-lang-oop-3/src/main/java/com/baeldung/relationships/aggregation/Wheel.java b/core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/relationships/aggregation/Wheel.java similarity index 100% rename from core-java-modules/core-java-lang-oop-3/src/main/java/com/baeldung/relationships/aggregation/Wheel.java rename to core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/relationships/aggregation/Wheel.java diff --git a/core-java-modules/core-java-lang-oop-3/src/main/java/com/baeldung/relationships/association/Child.java b/core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/relationships/association/Child.java similarity index 100% rename from core-java-modules/core-java-lang-oop-3/src/main/java/com/baeldung/relationships/association/Child.java rename to core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/relationships/association/Child.java diff --git a/core-java-modules/core-java-lang-oop-3/src/main/java/com/baeldung/relationships/association/Mother.java b/core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/relationships/association/Mother.java similarity index 100% rename from core-java-modules/core-java-lang-oop-3/src/main/java/com/baeldung/relationships/association/Mother.java rename to core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/relationships/association/Mother.java diff --git a/core-java-modules/core-java-lang-oop-3/src/main/java/com/baeldung/relationships/composition/Building.java b/core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/relationships/composition/Building.java similarity index 100% rename from core-java-modules/core-java-lang-oop-3/src/main/java/com/baeldung/relationships/composition/Building.java rename to core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/relationships/composition/Building.java diff --git a/core-java-modules/core-java-lang-oop-3/src/main/java/com/baeldung/relationships/composition/BuildingWithDefinitionRoomInMethod.java b/core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/relationships/composition/BuildingWithDefinitionRoomInMethod.java similarity index 100% rename from core-java-modules/core-java-lang-oop-3/src/main/java/com/baeldung/relationships/composition/BuildingWithDefinitionRoomInMethod.java rename to core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/relationships/composition/BuildingWithDefinitionRoomInMethod.java diff --git a/core-java-modules/core-java-lang-oop-3/src/main/java/com/baeldung/relationships/university/Department.java b/core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/relationships/university/Department.java similarity index 100% rename from core-java-modules/core-java-lang-oop-3/src/main/java/com/baeldung/relationships/university/Department.java rename to core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/relationships/university/Department.java diff --git a/core-java-modules/core-java-lang-oop-3/src/main/java/com/baeldung/relationships/university/Professor.java b/core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/relationships/university/Professor.java similarity index 100% rename from core-java-modules/core-java-lang-oop-3/src/main/java/com/baeldung/relationships/university/Professor.java rename to core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/relationships/university/Professor.java diff --git a/core-java-modules/core-java-lang-oop-3/src/main/java/com/baeldung/relationships/university/University.java b/core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/relationships/university/University.java similarity index 100% rename from core-java-modules/core-java-lang-oop-3/src/main/java/com/baeldung/relationships/university/University.java rename to core-java-modules/core-java-lang-oop-patterns/src/main/java/com/baeldung/relationships/university/University.java diff --git a/core-java-modules/core-java-lang-oop/src/test/java/com/baeldung/deepcopy/DeepCopyUnitTest.java b/core-java-modules/core-java-lang-oop-patterns/src/test/java/com/baeldung/deepcopy/DeepCopyUnitTest.java similarity index 100% rename from core-java-modules/core-java-lang-oop/src/test/java/com/baeldung/deepcopy/DeepCopyUnitTest.java rename to core-java-modules/core-java-lang-oop-patterns/src/test/java/com/baeldung/deepcopy/DeepCopyUnitTest.java diff --git a/core-java-modules/core-java-lang-oop/src/test/java/com/baeldung/deepcopy/ShallowCopyUnitTest.java b/core-java-modules/core-java-lang-oop-patterns/src/test/java/com/baeldung/deepcopy/ShallowCopyUnitTest.java similarity index 100% rename from core-java-modules/core-java-lang-oop/src/test/java/com/baeldung/deepcopy/ShallowCopyUnitTest.java rename to core-java-modules/core-java-lang-oop-patterns/src/test/java/com/baeldung/deepcopy/ShallowCopyUnitTest.java diff --git a/core-java-modules/core-java-lang-oop-2/src/test/java/com/baeldung/immutableobjects/ImmutableObjectsUnitTest.java b/core-java-modules/core-java-lang-oop-patterns/src/test/java/com/baeldung/immutableobjects/ImmutableObjectsUnitTest.java similarity index 100% rename from core-java-modules/core-java-lang-oop-2/src/test/java/com/baeldung/immutableobjects/ImmutableObjectsUnitTest.java rename to core-java-modules/core-java-lang-oop-patterns/src/test/java/com/baeldung/immutableobjects/ImmutableObjectsUnitTest.java diff --git a/core-java-modules/core-java-lang-oop-2/src/test/java/com/baeldung/inheritancecomposition/ActressUnitTest.java b/core-java-modules/core-java-lang-oop-patterns/src/test/java/com/baeldung/inheritancecomposition/ActressUnitTest.java similarity index 100% rename from core-java-modules/core-java-lang-oop-2/src/test/java/com/baeldung/inheritancecomposition/ActressUnitTest.java rename to core-java-modules/core-java-lang-oop-patterns/src/test/java/com/baeldung/inheritancecomposition/ActressUnitTest.java diff --git a/core-java-modules/core-java-lang-oop-2/src/test/java/com/baeldung/inheritancecomposition/CompositionUnitTest.java b/core-java-modules/core-java-lang-oop-patterns/src/test/java/com/baeldung/inheritancecomposition/CompositionUnitTest.java similarity index 100% rename from core-java-modules/core-java-lang-oop-2/src/test/java/com/baeldung/inheritancecomposition/CompositionUnitTest.java rename to core-java-modules/core-java-lang-oop-patterns/src/test/java/com/baeldung/inheritancecomposition/CompositionUnitTest.java diff --git a/core-java-modules/core-java-lang-oop-2/src/test/java/com/baeldung/inheritancecomposition/InheritanceUnitTest.java b/core-java-modules/core-java-lang-oop-patterns/src/test/java/com/baeldung/inheritancecomposition/InheritanceUnitTest.java similarity index 100% rename from core-java-modules/core-java-lang-oop-2/src/test/java/com/baeldung/inheritancecomposition/InheritanceUnitTest.java rename to core-java-modules/core-java-lang-oop-patterns/src/test/java/com/baeldung/inheritancecomposition/InheritanceUnitTest.java diff --git a/core-java-modules/core-java-lang-oop-2/src/test/java/com/baeldung/inheritancecomposition/PersonUnitTest.java b/core-java-modules/core-java-lang-oop-patterns/src/test/java/com/baeldung/inheritancecomposition/PersonUnitTest.java similarity index 100% rename from core-java-modules/core-java-lang-oop-2/src/test/java/com/baeldung/inheritancecomposition/PersonUnitTest.java rename to core-java-modules/core-java-lang-oop-patterns/src/test/java/com/baeldung/inheritancecomposition/PersonUnitTest.java diff --git a/core-java-modules/core-java-lang-oop-2/src/test/java/com/baeldung/inheritancecomposition/WaitressUnitTest.java b/core-java-modules/core-java-lang-oop-patterns/src/test/java/com/baeldung/inheritancecomposition/WaitressUnitTest.java similarity index 100% rename from core-java-modules/core-java-lang-oop-2/src/test/java/com/baeldung/inheritancecomposition/WaitressUnitTest.java rename to core-java-modules/core-java-lang-oop-patterns/src/test/java/com/baeldung/inheritancecomposition/WaitressUnitTest.java diff --git a/core-java-modules/core-java-lang-oop-types/README.md b/core-java-modules/core-java-lang-oop-types/README.md new file mode 100644 index 0000000000..80344c70fa --- /dev/null +++ b/core-java-modules/core-java-lang-oop-types/README.md @@ -0,0 +1,9 @@ +## Core Java Lang OOP - Types + +This module contains articles about types in Java + +### Relevant Articles: +- [Java Classes and Objects](https://www.baeldung.com/java-classes-objects) +- [Guide to the this Java Keyword](https://www.baeldung.com/java-this) +- [Nested Classes in Java](https://www.baeldung.com/java-nested-classes) +- [Marker Interfaces in Java](https://www.baeldung.com/java-marker-interfaces) diff --git a/core-java-modules/core-java-lang-oop-types/pom.xml b/core-java-modules/core-java-lang-oop-types/pom.xml new file mode 100644 index 0000000000..f73434a9ff --- /dev/null +++ b/core-java-modules/core-java-lang-oop-types/pom.xml @@ -0,0 +1,15 @@ + + + + core-java-modules + com.baeldung.core-java-modules + 1.0.0-SNAPSHOT + + 4.0.0 + + core-java-lang-oop-types + core-java-lang-oop-types + jar + \ No newline at end of file diff --git a/core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/markerinterface/DeletableShape.java b/core-java-modules/core-java-lang-oop-types/src/main/java/com/baeldung/markerinterface/DeletableShape.java similarity index 100% rename from core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/markerinterface/DeletableShape.java rename to core-java-modules/core-java-lang-oop-types/src/main/java/com/baeldung/markerinterface/DeletableShape.java diff --git a/core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/markerinterface/Rectangle.java b/core-java-modules/core-java-lang-oop-types/src/main/java/com/baeldung/markerinterface/Rectangle.java similarity index 100% rename from core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/markerinterface/Rectangle.java rename to core-java-modules/core-java-lang-oop-types/src/main/java/com/baeldung/markerinterface/Rectangle.java diff --git a/core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/markerinterface/Shape.java b/core-java-modules/core-java-lang-oop-types/src/main/java/com/baeldung/markerinterface/Shape.java similarity index 100% rename from core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/markerinterface/Shape.java rename to core-java-modules/core-java-lang-oop-types/src/main/java/com/baeldung/markerinterface/Shape.java diff --git a/core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/markerinterface/ShapeDao.java b/core-java-modules/core-java-lang-oop-types/src/main/java/com/baeldung/markerinterface/ShapeDao.java similarity index 100% rename from core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/markerinterface/ShapeDao.java rename to core-java-modules/core-java-lang-oop-types/src/main/java/com/baeldung/markerinterface/ShapeDao.java diff --git a/core-java-modules/core-java-lang-oop-3/src/main/java/com/baeldung/objects/Car.java b/core-java-modules/core-java-lang-oop-types/src/main/java/com/baeldung/objects/Car.java similarity index 100% rename from core-java-modules/core-java-lang-oop-3/src/main/java/com/baeldung/objects/Car.java rename to core-java-modules/core-java-lang-oop-types/src/main/java/com/baeldung/objects/Car.java diff --git a/core-java-modules/core-java-lang-oop-3/src/main/java/com/baeldung/keyword/thiskeyword/KeywordUnitTest.java b/core-java-modules/core-java-lang-oop-types/src/main/java/com/baeldung/thiskeyword/Keyword.java similarity index 64% rename from core-java-modules/core-java-lang-oop-3/src/main/java/com/baeldung/keyword/thiskeyword/KeywordUnitTest.java rename to core-java-modules/core-java-lang-oop-types/src/main/java/com/baeldung/thiskeyword/Keyword.java index 35fd7358af..a09a1ac8e1 100644 --- a/core-java-modules/core-java-lang-oop-3/src/main/java/com/baeldung/keyword/thiskeyword/KeywordUnitTest.java +++ b/core-java-modules/core-java-lang-oop-types/src/main/java/com/baeldung/thiskeyword/Keyword.java @@ -1,17 +1,17 @@ -package com.baeldung.keyword.thiskeyword; +package com.baeldung.thiskeyword; -public class KeywordUnitTest { +public class Keyword { private String name; private int age; - public KeywordUnitTest() { + public Keyword() { this("John", 27); this.printMessage(); printInstance(this); } - public KeywordUnitTest(String name, int age) { + public Keyword(String name, int age) { this.name = name; this.age = age; } @@ -20,11 +20,11 @@ public class KeywordUnitTest { System.out.println("invoked by this"); } - public void printInstance(KeywordUnitTest thisKeyword) { + public void printInstance(Keyword thisKeyword) { System.out.println(thisKeyword); } - public KeywordUnitTest getCurrentInstance() { + public Keyword getCurrentInstance() { return this; } @@ -33,8 +33,8 @@ public class KeywordUnitTest { boolean isInnerClass = true; public ThisInnerClass() { - KeywordUnitTest thisKeyword = KeywordUnitTest.this; - String outerString = KeywordUnitTest.this.name; + Keyword thisKeyword = Keyword.this; + String outerString = Keyword.this.name; System.out.println(this.isInnerClass); } } diff --git a/core-java-modules/core-java-lang-oop-2/src/test/java/com/baeldung/markerinterface/MarkerInterfaceUnitTest.java b/core-java-modules/core-java-lang-oop-types/src/test/java/com/baeldung/markerinterface/MarkerInterfaceUnitTest.java similarity index 100% rename from core-java-modules/core-java-lang-oop-2/src/test/java/com/baeldung/markerinterface/MarkerInterfaceUnitTest.java rename to core-java-modules/core-java-lang-oop-types/src/test/java/com/baeldung/markerinterface/MarkerInterfaceUnitTest.java diff --git a/core-java-modules/core-java-lang-oop-3/src/test/java/com/baeldung/nestedclass/AnonymousInner.java b/core-java-modules/core-java-lang-oop-types/src/test/java/com/baeldung/nestedclass/AnonymousInnerUnitTest.java similarity index 90% rename from core-java-modules/core-java-lang-oop-3/src/test/java/com/baeldung/nestedclass/AnonymousInner.java rename to core-java-modules/core-java-lang-oop-types/src/test/java/com/baeldung/nestedclass/AnonymousInnerUnitTest.java index 9fa8ee9cd5..98917b9e05 100644 --- a/core-java-modules/core-java-lang-oop-3/src/test/java/com/baeldung/nestedclass/AnonymousInner.java +++ b/core-java-modules/core-java-lang-oop-types/src/test/java/com/baeldung/nestedclass/AnonymousInnerUnitTest.java @@ -6,7 +6,7 @@ abstract class SimpleAbstractClass { abstract void run(); } -public class AnonymousInner { +public class AnonymousInnerUnitTest { @Test public void run() { diff --git a/core-java-modules/core-java-lang-oop-3/src/test/java/com/baeldung/nestedclass/Enclosing.java b/core-java-modules/core-java-lang-oop-types/src/test/java/com/baeldung/nestedclass/Enclosing.java similarity index 100% rename from core-java-modules/core-java-lang-oop-3/src/test/java/com/baeldung/nestedclass/Enclosing.java rename to core-java-modules/core-java-lang-oop-types/src/test/java/com/baeldung/nestedclass/Enclosing.java diff --git a/core-java-modules/core-java-lang-oop-3/src/test/java/com/baeldung/nestedclass/NewEnclosing.java b/core-java-modules/core-java-lang-oop-types/src/test/java/com/baeldung/nestedclass/NewEnclosing.java similarity index 100% rename from core-java-modules/core-java-lang-oop-3/src/test/java/com/baeldung/nestedclass/NewEnclosing.java rename to core-java-modules/core-java-lang-oop-types/src/test/java/com/baeldung/nestedclass/NewEnclosing.java diff --git a/core-java-modules/core-java-lang-oop-3/src/test/java/com/baeldung/nestedclass/NewOuter.java b/core-java-modules/core-java-lang-oop-types/src/test/java/com/baeldung/nestedclass/NewOuter.java similarity index 100% rename from core-java-modules/core-java-lang-oop-3/src/test/java/com/baeldung/nestedclass/NewOuter.java rename to core-java-modules/core-java-lang-oop-types/src/test/java/com/baeldung/nestedclass/NewOuter.java diff --git a/core-java-modules/core-java-lang-oop-3/src/test/java/com/baeldung/nestedclass/Outer.java b/core-java-modules/core-java-lang-oop-types/src/test/java/com/baeldung/nestedclass/Outer.java similarity index 100% rename from core-java-modules/core-java-lang-oop-3/src/test/java/com/baeldung/nestedclass/Outer.java rename to core-java-modules/core-java-lang-oop-types/src/test/java/com/baeldung/nestedclass/Outer.java diff --git a/core-java-modules/core-java-lang-oop-3/src/test/java/com/baeldung/objects/ObjectsUnitTest.java b/core-java-modules/core-java-lang-oop-types/src/test/java/com/baeldung/objects/ObjectsUnitTest.java similarity index 100% rename from core-java-modules/core-java-lang-oop-3/src/test/java/com/baeldung/objects/ObjectsUnitTest.java rename to core-java-modules/core-java-lang-oop-types/src/test/java/com/baeldung/objects/ObjectsUnitTest.java diff --git a/core-java-modules/core-java-lang-oop/.gitignore b/core-java-modules/core-java-lang-oop/.gitignore deleted file mode 100644 index 3de4cc647e..0000000000 --- a/core-java-modules/core-java-lang-oop/.gitignore +++ /dev/null @@ -1,26 +0,0 @@ -*.class - -0.* - -#folders# -/target -/neoDb* -/data -/src/main/webapp/WEB-INF/classes -*/META-INF/* -.resourceCache - -# Packaged files # -*.jar -*.war -*.ear - -# Files generated by integration tests -*.txt -backup-pom.xml -/bin/ -/temp - -#IntelliJ specific -.idea/ -*.iml \ No newline at end of file diff --git a/core-java-modules/core-java-lang-oop/README.md b/core-java-modules/core-java-lang-oop/README.md deleted file mode 100644 index 2be3d0cab1..0000000000 --- a/core-java-modules/core-java-lang-oop/README.md +++ /dev/null @@ -1,17 +0,0 @@ -## Core Java Lang OOP - -This module contains articles about Object-oriented programming (OOP) in Java - -### Relevant Articles: -- [Guide to hashCode() in Java](https://www.baeldung.com/java-hashcode) -- [A Guide to the Static Keyword in Java](https://www.baeldung.com/java-static) -- [Polymorphism in Java](https://www.baeldung.com/java-polymorphism) -- [Method Overloading and Overriding in Java](https://www.baeldung.com/java-method-overload-override) -- [How to Make a Deep Copy of an Object in Java](https://www.baeldung.com/java-deep-copy) -- [Guide to Inheritance in Java](https://www.baeldung.com/java-inheritance) -- [Object Type Casting in Java](https://www.baeldung.com/java-type-casting) -- [The “final” Keyword in Java](https://www.baeldung.com/java-final) -- [Type Erasure in Java Explained](https://www.baeldung.com/java-type-erasure) -- [Variable and Method Hiding in Java](https://www.baeldung.com/java-variable-method-hiding) -- [Object-Oriented-Programming Concepts in Java](https://www.baeldung.com/java-oop) -- [[More -->]](/core-java-modules/core-java-lang-oop-2) diff --git a/core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/initializationguide/User.java b/core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/initializationguide/User.java deleted file mode 100644 index 1d9a872d69..0000000000 --- a/core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/initializationguide/User.java +++ /dev/null @@ -1,53 +0,0 @@ -package com.baeldung.initializationguide; - -import java.io.Serializable; - -public class User implements Serializable, Cloneable { - private static final long serialVersionUID = 1L; - static String forum; - private String name; - private int id; - - { - id = 0; - System.out.println("Instance Initializer"); - } - - static { - forum = "Java"; - System.out.println("Static Initializer"); - } - - public User(String name, int id) { - super(); - this.name = name; - this.id = id; - } - - public User() { - System.out.println("Constructor"); - } - - public String getName() { - return name; - } - - public void setName(String name) { - this.name = name; - } - - public int getId() { - return id; - } - - public void setId(int id) { - this.id = id; - } - - @Override - protected Object clone() throws CloneNotSupportedException { - return this; - } - -} - diff --git a/core-java-modules/core-java-lang-oop/src/main/resources/logback.xml b/core-java-modules/core-java-lang-oop/src/main/resources/logback.xml deleted file mode 100644 index 56af2d397e..0000000000 --- a/core-java-modules/core-java-lang-oop/src/main/resources/logback.xml +++ /dev/null @@ -1,19 +0,0 @@ - - - - - %d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n - - - - - - - - - - - - - - \ No newline at end of file diff --git a/core-java-modules/core-java-lang-oop/src/test/java/com/baeldung/initializationguide/UserUnitTest.java b/core-java-modules/core-java-lang-oop/src/test/java/com/baeldung/initializationguide/UserUnitTest.java deleted file mode 100644 index a26b602609..0000000000 --- a/core-java-modules/core-java-lang-oop/src/test/java/com/baeldung/initializationguide/UserUnitTest.java +++ /dev/null @@ -1,37 +0,0 @@ -package com.baeldung.initializationguide; -import org.junit.Before; -import org.junit.Test; - -import static org.assertj.core.api.Assertions.*; - -import java.lang.reflect.InvocationTargetException; - -public class UserUnitTest { - - @Test - public void givenUserInstance_whenIntializedWithNew_thenInstanceIsNotNull() { - User user = new User("Alice", 1); - assertThat(user).isNotNull(); - } - - @Test - public void givenUserInstance_whenInitializedWithReflection_thenInstanceIsNotNull() throws InstantiationException, IllegalAccessException, IllegalArgumentException, InvocationTargetException, NoSuchMethodException, SecurityException { - User user = User.class.getConstructor(String.class, int.class) - .newInstance("Alice", 2); - assertThat(user).isNotNull(); - } - - @Test - public void givenUserInstance_whenCopiedWithClone_thenExactMatchIsCreated() throws CloneNotSupportedException { - User user = new User("Alice", 3); - User clonedUser = (User) user.clone(); - assertThat(clonedUser).isEqualTo(user); - } - - @Test - public void givenUserInstance_whenValuesAreNotInitialized_thenUserNameAndIdReturnDefault() { - User user = new User(); - assertThat(user.getName()).isNull(); - assertThat(user.getId() == 0); - } -} diff --git a/core-java-modules/core-java-lang-oop/src/test/resources/.gitignore b/core-java-modules/core-java-lang-oop/src/test/resources/.gitignore deleted file mode 100644 index 83c05e60c8..0000000000 --- a/core-java-modules/core-java-lang-oop/src/test/resources/.gitignore +++ /dev/null @@ -1,13 +0,0 @@ -*.class - -#folders# -/target -/neoDb* -/data -/src/main/webapp/WEB-INF/classes -*/META-INF/* - -# Packaged files # -*.jar -*.war -*.ear \ No newline at end of file diff --git a/core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/equalshashcode/entities/ComplexClass.java b/core-java-modules/core-java-lang/src/main/java/com/baeldung/equalshashcode/entities/ComplexClass.java similarity index 100% rename from core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/equalshashcode/entities/ComplexClass.java rename to core-java-modules/core-java-lang/src/main/java/com/baeldung/equalshashcode/entities/ComplexClass.java diff --git a/core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/equalshashcode/entities/PrimitiveClass.java b/core-java-modules/core-java-lang/src/main/java/com/baeldung/equalshashcode/entities/PrimitiveClass.java similarity index 100% rename from core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/equalshashcode/entities/PrimitiveClass.java rename to core-java-modules/core-java-lang/src/main/java/com/baeldung/equalshashcode/entities/PrimitiveClass.java diff --git a/core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/equalshashcode/entities/Rectangle.java b/core-java-modules/core-java-lang/src/main/java/com/baeldung/equalshashcode/entities/Rectangle.java similarity index 100% rename from core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/equalshashcode/entities/Rectangle.java rename to core-java-modules/core-java-lang/src/main/java/com/baeldung/equalshashcode/entities/Rectangle.java diff --git a/core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/equalshashcode/entities/Shape.java b/core-java-modules/core-java-lang/src/main/java/com/baeldung/equalshashcode/entities/Shape.java similarity index 100% rename from core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/equalshashcode/entities/Shape.java rename to core-java-modules/core-java-lang/src/main/java/com/baeldung/equalshashcode/entities/Shape.java diff --git a/core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/equalshashcode/entities/Square.java b/core-java-modules/core-java-lang/src/main/java/com/baeldung/equalshashcode/entities/Square.java similarity index 100% rename from core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/equalshashcode/entities/Square.java rename to core-java-modules/core-java-lang/src/main/java/com/baeldung/equalshashcode/entities/Square.java diff --git a/core-java-modules/core-java-lang-oop-2/src/test/java/com/baeldung/equalshashcode/entities/ComplexClassUnitTest.java b/core-java-modules/core-java-lang/src/test/java/com/baeldung/equalshashcode/entities/ComplexClassUnitTest.java similarity index 100% rename from core-java-modules/core-java-lang-oop-2/src/test/java/com/baeldung/equalshashcode/entities/ComplexClassUnitTest.java rename to core-java-modules/core-java-lang/src/test/java/com/baeldung/equalshashcode/entities/ComplexClassUnitTest.java diff --git a/core-java-modules/core-java-lang-oop-2/src/test/java/com/baeldung/equalshashcode/entities/PrimitiveClassUnitTest.java b/core-java-modules/core-java-lang/src/test/java/com/baeldung/equalshashcode/entities/PrimitiveClassUnitTest.java similarity index 100% rename from core-java-modules/core-java-lang-oop-2/src/test/java/com/baeldung/equalshashcode/entities/PrimitiveClassUnitTest.java rename to core-java-modules/core-java-lang/src/test/java/com/baeldung/equalshashcode/entities/PrimitiveClassUnitTest.java diff --git a/core-java-modules/core-java-lang-oop-2/src/test/java/com/baeldung/equalshashcode/entities/SquareClassUnitTest.java b/core-java-modules/core-java-lang/src/test/java/com/baeldung/equalshashcode/entities/SquareClassUnitTest.java similarity index 100% rename from core-java-modules/core-java-lang-oop-2/src/test/java/com/baeldung/equalshashcode/entities/SquareClassUnitTest.java rename to core-java-modules/core-java-lang/src/test/java/com/baeldung/equalshashcode/entities/SquareClassUnitTest.java diff --git a/core-java-modules/pom.xml b/core-java-modules/pom.xml index b7454cc737..c6cc3726e1 100644 --- a/core-java-modules/pom.xml +++ b/core-java-modules/pom.xml @@ -85,10 +85,14 @@ core-java-lang-2 core-java-lang-math core-java-lang-math-2 - core-java-lang-oop - core-java-lang-oop-2 - core-java-lang-oop-3 - core-java-lang-oop-4 + core-java-lang-oop-constructors + core-java-lang-oop-patterns + core-java-lang-oop-generics + core-java-lang-oop-modifiers + core-java-lang-oop-types + core-java-lang-oop-inheritance + core-java-lang-oop-methods + core-java-lang-oop-others core-java-lang-operators core-java-lang-syntax core-java-lang-syntax-2