From 566d7957592c40fcb28bd98484e6c8eec759382c Mon Sep 17 00:00:00 2001
From: Umang Budhwar <umangbudhwar@gmail.com>
Date: Fri, 5 Jun 2020 23:56:54 +0530
Subject: [PATCH 01/18] Added code to access private properties of a class

---
 .../AccessPrivateProperties.java              | 27 ++++++++++++
 .../access/privatefields/Person.java          | 18 ++++++++
 .../AccessPrivateFieldsUnitTest.java          | 36 ++++++++++++++++
 .../AccessPrivateMethodsUnitTest.java         | 43 +++++++++++++++++++
 4 files changed, 124 insertions(+)
 create mode 100755 core-java-modules/core-java-reflection/src/main/java/com/baeldung/reflection/access/privatefields/AccessPrivateProperties.java
 create mode 100755 core-java-modules/core-java-reflection/src/main/java/com/baeldung/reflection/access/privatefields/Person.java
 create mode 100644 core-java-modules/core-java-reflection/src/test/java/com/baeldung/reflection/access/privatefields/AccessPrivateFieldsUnitTest.java
 create mode 100644 core-java-modules/core-java-reflection/src/test/java/com/baeldung/reflection/access/privatefields/AccessPrivateMethodsUnitTest.java

diff --git a/core-java-modules/core-java-reflection/src/main/java/com/baeldung/reflection/access/privatefields/AccessPrivateProperties.java b/core-java-modules/core-java-reflection/src/main/java/com/baeldung/reflection/access/privatefields/AccessPrivateProperties.java
new file mode 100755
index 0000000000..938f5fd4a2
--- /dev/null
+++ b/core-java-modules/core-java-reflection/src/main/java/com/baeldung/reflection/access/privatefields/AccessPrivateProperties.java
@@ -0,0 +1,27 @@
+package com.baeldung.reflection.access.privatefields;
+
+import java.lang.reflect.Field;
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+
+public class AccessPrivateProperties {
+
+    public void accessPrivateFields(String declaredField, Object declaredFieldValue, boolean accessible) throws NoSuchFieldException, NullPointerException, IllegalArgumentException, IllegalAccessException {
+        Person person = new Person();
+        Field field = person.getClass()
+            .getDeclaredField(declaredField);
+        field.setAccessible(accessible);
+        field.set(person, declaredFieldValue);
+        System.out.println(person.getName());
+    }
+
+    public void accessPrivateMethods(String declaredMethod, Class<?> parameterType, Object name, boolean accessible) throws NoSuchMethodException, IllegalAccessException, NullPointerException, IllegalArgumentException, InvocationTargetException {
+        Person person = new Person();
+        Method method = person.getClass()
+            .getDeclaredMethod(declaredMethod, parameterType);
+        method.setAccessible(accessible);
+        String greetMessage = (String) method.invoke(person, name);
+        System.out.println(greetMessage);
+    }
+
+}
diff --git a/core-java-modules/core-java-reflection/src/main/java/com/baeldung/reflection/access/privatefields/Person.java b/core-java-modules/core-java-reflection/src/main/java/com/baeldung/reflection/access/privatefields/Person.java
new file mode 100755
index 0000000000..e59ff3bea8
--- /dev/null
+++ b/core-java-modules/core-java-reflection/src/main/java/com/baeldung/reflection/access/privatefields/Person.java
@@ -0,0 +1,18 @@
+package com.baeldung.reflection.access.privatefields;
+
+public class Person {
+    
+    private String name;
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    private String greet(String number) {
+        return "Hi " + Integer.parseInt(number);
+    }
+}
diff --git a/core-java-modules/core-java-reflection/src/test/java/com/baeldung/reflection/access/privatefields/AccessPrivateFieldsUnitTest.java b/core-java-modules/core-java-reflection/src/test/java/com/baeldung/reflection/access/privatefields/AccessPrivateFieldsUnitTest.java
new file mode 100644
index 0000000000..8faea06f78
--- /dev/null
+++ b/core-java-modules/core-java-reflection/src/test/java/com/baeldung/reflection/access/privatefields/AccessPrivateFieldsUnitTest.java
@@ -0,0 +1,36 @@
+package com.baeldung.reflection.access.privatefields;
+
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.BeforeAll;
+import org.junit.jupiter.api.Test;
+
+public class AccessPrivateFieldsUnitTest {
+
+    private static AccessPrivateProperties accessPrivateProperties;
+
+    @BeforeAll
+    public static void beforeAll() {
+        accessPrivateProperties = new AccessPrivateProperties();
+    }
+
+    @Test
+    public void testForNoSuchFieldException() {
+        Assertions.assertThrows(NoSuchFieldException.class, () -> accessPrivateProperties.accessPrivateFields("firstName", "John", true));
+    }
+
+    @Test
+    public void testForIllegalAccessException() {
+        Assertions.assertThrows(IllegalAccessException.class, () -> accessPrivateProperties.accessPrivateFields("name", "John", false));
+    }
+
+    @Test
+    public void testForIllegalArgumentException() {
+        Assertions.assertThrows(IllegalArgumentException.class, () -> accessPrivateProperties.accessPrivateFields("name", 25, true));
+    }
+
+    @Test
+    public void testForNullPointerException() {
+        Assertions.assertThrows(NullPointerException.class, () -> accessPrivateProperties.accessPrivateFields(null, "John", true));
+    }
+
+}
diff --git a/core-java-modules/core-java-reflection/src/test/java/com/baeldung/reflection/access/privatefields/AccessPrivateMethodsUnitTest.java b/core-java-modules/core-java-reflection/src/test/java/com/baeldung/reflection/access/privatefields/AccessPrivateMethodsUnitTest.java
new file mode 100644
index 0000000000..a2e0f3fe28
--- /dev/null
+++ b/core-java-modules/core-java-reflection/src/test/java/com/baeldung/reflection/access/privatefields/AccessPrivateMethodsUnitTest.java
@@ -0,0 +1,43 @@
+package com.baeldung.reflection.access.privatefields;
+
+import java.lang.reflect.InvocationTargetException;
+
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.BeforeAll;
+import org.junit.jupiter.api.Test;
+
+public class AccessPrivateMethodsUnitTest {
+
+    private static AccessPrivateProperties accessPrivateProperties;
+
+    @BeforeAll
+    public static void beforeAll() {
+        accessPrivateProperties = new AccessPrivateProperties();
+    }
+
+    @Test
+    public void testForNoSuchMethodException() {
+        Assertions.assertThrows(NoSuchMethodException.class, () -> accessPrivateProperties.accessPrivateMethods("greeting", String.class, "5", true));
+    }
+
+    @Test
+    public void testForIllegalAccessException() {
+        Assertions.assertThrows(IllegalAccessException.class, () -> accessPrivateProperties.accessPrivateMethods("greet", String.class, "5", false));
+    }
+
+    @Test
+    public void testForIllegalArgumentException() {
+        Assertions.assertThrows(IllegalArgumentException.class, () -> accessPrivateProperties.accessPrivateMethods("greet", String.class, 5, true));
+    }
+
+    @Test
+    public void testForNullPointerException() {
+        Assertions.assertThrows(NullPointerException.class, () -> accessPrivateProperties.accessPrivateMethods(null, String.class, "5", true));
+    }
+
+    @Test
+    public void testForInvocationTargetException() {
+        Assertions.assertThrows(InvocationTargetException.class, () -> accessPrivateProperties.accessPrivateMethods("greet", String.class, "John", true));
+    }
+
+}

From ba3bd78a108fae20e98049aa2a015a95c26119ce Mon Sep 17 00:00:00 2001
From: Umang Budhwar <umangbudhwar@gmail.com>
Date: Wed, 10 Jun 2020 23:23:29 +0530
Subject: [PATCH 02/18] Removed abstractions to increase simplicity.

---
 .../AccessPrivateProperties.java              | 27 -------------------
 1 file changed, 27 deletions(-)
 delete mode 100755 core-java-modules/core-java-reflection/src/main/java/com/baeldung/reflection/access/privatefields/AccessPrivateProperties.java

diff --git a/core-java-modules/core-java-reflection/src/main/java/com/baeldung/reflection/access/privatefields/AccessPrivateProperties.java b/core-java-modules/core-java-reflection/src/main/java/com/baeldung/reflection/access/privatefields/AccessPrivateProperties.java
deleted file mode 100755
index 938f5fd4a2..0000000000
--- a/core-java-modules/core-java-reflection/src/main/java/com/baeldung/reflection/access/privatefields/AccessPrivateProperties.java
+++ /dev/null
@@ -1,27 +0,0 @@
-package com.baeldung.reflection.access.privatefields;
-
-import java.lang.reflect.Field;
-import java.lang.reflect.InvocationTargetException;
-import java.lang.reflect.Method;
-
-public class AccessPrivateProperties {
-
-    public void accessPrivateFields(String declaredField, Object declaredFieldValue, boolean accessible) throws NoSuchFieldException, NullPointerException, IllegalArgumentException, IllegalAccessException {
-        Person person = new Person();
-        Field field = person.getClass()
-            .getDeclaredField(declaredField);
-        field.setAccessible(accessible);
-        field.set(person, declaredFieldValue);
-        System.out.println(person.getName());
-    }
-
-    public void accessPrivateMethods(String declaredMethod, Class<?> parameterType, Object name, boolean accessible) throws NoSuchMethodException, IllegalAccessException, NullPointerException, IllegalArgumentException, InvocationTargetException {
-        Person person = new Person();
-        Method method = person.getClass()
-            .getDeclaredMethod(declaredMethod, parameterType);
-        method.setAccessible(accessible);
-        String greetMessage = (String) method.invoke(person, name);
-        System.out.println(greetMessage);
-    }
-
-}

From 8e2725a64e604c7add45ca58203626a7238f9618 Mon Sep 17 00:00:00 2001
From: Umang Budhwar <umangbudhwar@gmail.com>
Date: Wed, 10 Jun 2020 23:27:42 +0530
Subject: [PATCH 03/18] Added unit test cases in givenX_whenY_thenZ format.

---
 .../access/privatefields/Person.java          | 11 ++--
 .../AccessPrivateFieldsUnitTest.java          | 43 +++++++++-------
 .../AccessPrivateMethodsUnitTest.java         | 51 ++++++++++++-------
 3 files changed, 65 insertions(+), 40 deletions(-)

diff --git a/core-java-modules/core-java-reflection/src/main/java/com/baeldung/reflection/access/privatefields/Person.java b/core-java-modules/core-java-reflection/src/main/java/com/baeldung/reflection/access/privatefields/Person.java
index e59ff3bea8..199d2429a7 100755
--- a/core-java-modules/core-java-reflection/src/main/java/com/baeldung/reflection/access/privatefields/Person.java
+++ b/core-java-modules/core-java-reflection/src/main/java/com/baeldung/reflection/access/privatefields/Person.java
@@ -1,7 +1,7 @@
 package com.baeldung.reflection.access.privatefields;
 
 public class Person {
-    
+
     private String name;
 
     public String getName() {
@@ -12,7 +12,12 @@ public class Person {
         this.name = name;
     }
 
-    private String greet(String number) {
-        return "Hi " + Integer.parseInt(number);
+    private String greet(String name) {
+        return "Hello " + name;
     }
+
+    private int divideByZeroExample() {
+        return 1 / 0;
+    }
+
 }
diff --git a/core-java-modules/core-java-reflection/src/test/java/com/baeldung/reflection/access/privatefields/AccessPrivateFieldsUnitTest.java b/core-java-modules/core-java-reflection/src/test/java/com/baeldung/reflection/access/privatefields/AccessPrivateFieldsUnitTest.java
index 8faea06f78..200ccea9e3 100644
--- a/core-java-modules/core-java-reflection/src/test/java/com/baeldung/reflection/access/privatefields/AccessPrivateFieldsUnitTest.java
+++ b/core-java-modules/core-java-reflection/src/test/java/com/baeldung/reflection/access/privatefields/AccessPrivateFieldsUnitTest.java
@@ -1,36 +1,43 @@
 package com.baeldung.reflection.access.privatefields;
 
+import java.lang.reflect.Field;
+
 import org.junit.jupiter.api.Assertions;
-import org.junit.jupiter.api.BeforeAll;
 import org.junit.jupiter.api.Test;
 
 public class AccessPrivateFieldsUnitTest {
 
-    private static AccessPrivateProperties accessPrivateProperties;
+    @Test
+    public void whenGetField_thenSuccess() throws NoSuchFieldException, NullPointerException, IllegalArgumentException, IllegalAccessException {
+        Person person = new Person();
+        person.setName("John");
 
-    @BeforeAll
-    public static void beforeAll() {
-        accessPrivateProperties = new AccessPrivateProperties();
+        Field field = person.getClass()
+            .getDeclaredField("name");
+        field.setAccessible(true);
+
+        String name = (String) field.get(person);
+
+        Assertions.assertEquals("John", name);
     }
 
     @Test
-    public void testForNoSuchFieldException() {
-        Assertions.assertThrows(NoSuchFieldException.class, () -> accessPrivateProperties.accessPrivateFields("firstName", "John", true));
+    public void givenInt_whenSetStringField_thenIllegalArgumentException() throws NoSuchFieldException, NullPointerException, IllegalArgumentException, IllegalAccessException {
+        Person person = new Person();
+        Field field = person.getClass()
+            .getDeclaredField("name");
+        field.setAccessible(true);
+
+        Assertions.assertThrows(IllegalArgumentException.class, () -> field.setInt(person, 25));
     }
 
     @Test
-    public void testForIllegalAccessException() {
-        Assertions.assertThrows(IllegalAccessException.class, () -> accessPrivateProperties.accessPrivateFields("name", "John", false));
-    }
+    public void whenFieldNotSetAccessible_thenIllegalAccessException() throws NoSuchFieldException, NullPointerException, IllegalArgumentException, IllegalAccessException {
+        Person person = new Person();
+        Field field = person.getClass()
+            .getDeclaredField("name");
 
-    @Test
-    public void testForIllegalArgumentException() {
-        Assertions.assertThrows(IllegalArgumentException.class, () -> accessPrivateProperties.accessPrivateFields("name", 25, true));
-    }
-
-    @Test
-    public void testForNullPointerException() {
-        Assertions.assertThrows(NullPointerException.class, () -> accessPrivateProperties.accessPrivateFields(null, "John", true));
+        Assertions.assertThrows(IllegalAccessException.class, () -> field.set(person, "John"));
     }
 
 }
diff --git a/core-java-modules/core-java-reflection/src/test/java/com/baeldung/reflection/access/privatefields/AccessPrivateMethodsUnitTest.java b/core-java-modules/core-java-reflection/src/test/java/com/baeldung/reflection/access/privatefields/AccessPrivateMethodsUnitTest.java
index a2e0f3fe28..b44731c7ef 100644
--- a/core-java-modules/core-java-reflection/src/test/java/com/baeldung/reflection/access/privatefields/AccessPrivateMethodsUnitTest.java
+++ b/core-java-modules/core-java-reflection/src/test/java/com/baeldung/reflection/access/privatefields/AccessPrivateMethodsUnitTest.java
@@ -1,43 +1,56 @@
 package com.baeldung.reflection.access.privatefields;
 
 import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
 
 import org.junit.jupiter.api.Assertions;
-import org.junit.jupiter.api.BeforeAll;
 import org.junit.jupiter.api.Test;
 
 public class AccessPrivateMethodsUnitTest {
 
-    private static AccessPrivateProperties accessPrivateProperties;
+    @Test
+    public void whenGetMethod_thenSuccess() throws NoSuchMethodException, IllegalAccessException, IllegalArgumentException, InvocationTargetException {
+        Person person = new Person();
 
-    @BeforeAll
-    public static void beforeAll() {
-        accessPrivateProperties = new AccessPrivateProperties();
+        Method method = person.getClass()
+            .getDeclaredMethod("greet", String.class);
+        method.setAccessible(true);
+
+        String greetMessage = (String) method.invoke(person, "John");
+
+        Assertions.assertEquals("Hello John", greetMessage);
     }
 
     @Test
-    public void testForNoSuchMethodException() {
-        Assertions.assertThrows(NoSuchMethodException.class, () -> accessPrivateProperties.accessPrivateMethods("greeting", String.class, "5", true));
+    public void givenInt_whenInvokeMethod_thenIllegalArgumentException() throws NoSuchMethodException, IllegalAccessException, IllegalArgumentException, InvocationTargetException {
+        Person person = new Person();
+
+        Method method = person.getClass()
+            .getDeclaredMethod("greet", String.class);
+        method.setAccessible(true);
+
+        Assertions.assertThrows(IllegalArgumentException.class, () -> method.invoke(person, 25));
     }
 
     @Test
-    public void testForIllegalAccessException() {
-        Assertions.assertThrows(IllegalAccessException.class, () -> accessPrivateProperties.accessPrivateMethods("greet", String.class, "5", false));
+    public void whenMethodNotSetAccessible_thenIllegalAccessException() throws NoSuchMethodException, IllegalAccessException, IllegalArgumentException, InvocationTargetException {
+        Person person = new Person();
+
+        Method method = person.getClass()
+            .getDeclaredMethod("greet", String.class);
+
+        Assertions.assertThrows(IllegalAccessException.class, () -> method.invoke(person, "John"));
     }
 
     @Test
-    public void testForIllegalArgumentException() {
-        Assertions.assertThrows(IllegalArgumentException.class, () -> accessPrivateProperties.accessPrivateMethods("greet", String.class, 5, true));
-    }
+    public void whenCallingMethodThrowsException_thenInvocationTargetException() throws NoSuchMethodException, IllegalAccessException, IllegalArgumentException, InvocationTargetException {
+        Person person = new Person();
 
-    @Test
-    public void testForNullPointerException() {
-        Assertions.assertThrows(NullPointerException.class, () -> accessPrivateProperties.accessPrivateMethods(null, String.class, "5", true));
-    }
+        Method method = person.getClass()
+            .getDeclaredMethod("divideByZeroExample");
+        method.setAccessible(true);
 
-    @Test
-    public void testForInvocationTargetException() {
-        Assertions.assertThrows(InvocationTargetException.class, () -> accessPrivateProperties.accessPrivateMethods("greet", String.class, "John", true));
+        Assertions.assertThrows(InvocationTargetException.class, () -> method.invoke(person));
     }
 
 }

From f72691730627f9b54bf3ef38a516bff5643a250b Mon Sep 17 00:00:00 2001
From: Umang Budhwar <umangbudhwar@gmail.com>
Date: Mon, 15 Jun 2020 23:32:09 +0530
Subject: [PATCH 04/18] Included test cases for NoSuchFieldException,
 NoSuchMethodException and NullPointerException.

---
 .../access/privatefields/Person.java          | 12 ++++-
 .../AccessPrivateFieldsUnitTest.java          | 46 ++++++++++++++-----
 .../AccessPrivateMethodsUnitTest.java         | 32 +++++++++----
 3 files changed, 68 insertions(+), 22 deletions(-)

diff --git a/core-java-modules/core-java-reflection/src/main/java/com/baeldung/reflection/access/privatefields/Person.java b/core-java-modules/core-java-reflection/src/main/java/com/baeldung/reflection/access/privatefields/Person.java
index 199d2429a7..2ec263f6ae 100755
--- a/core-java-modules/core-java-reflection/src/main/java/com/baeldung/reflection/access/privatefields/Person.java
+++ b/core-java-modules/core-java-reflection/src/main/java/com/baeldung/reflection/access/privatefields/Person.java
@@ -2,7 +2,9 @@ package com.baeldung.reflection.access.privatefields;
 
 public class Person {
 
-    private String name;
+    private String name = "John";
+
+    private int age = 30;
 
     public String getName() {
         return name;
@@ -12,6 +14,14 @@ public class Person {
         this.name = name;
     }
 
+    public int getAge() {
+        return age;
+    }
+
+    public void setAge(int age) {
+        this.age = age;
+    }
+
     private String greet(String name) {
         return "Hello " + name;
     }
diff --git a/core-java-modules/core-java-reflection/src/test/java/com/baeldung/reflection/access/privatefields/AccessPrivateFieldsUnitTest.java b/core-java-modules/core-java-reflection/src/test/java/com/baeldung/reflection/access/privatefields/AccessPrivateFieldsUnitTest.java
index 200ccea9e3..b885e3b669 100644
--- a/core-java-modules/core-java-reflection/src/test/java/com/baeldung/reflection/access/privatefields/AccessPrivateFieldsUnitTest.java
+++ b/core-java-modules/core-java-reflection/src/test/java/com/baeldung/reflection/access/privatefields/AccessPrivateFieldsUnitTest.java
@@ -8,36 +8,58 @@ import org.junit.jupiter.api.Test;
 public class AccessPrivateFieldsUnitTest {
 
     @Test
-    public void whenGetField_thenSuccess() throws NoSuchFieldException, NullPointerException, IllegalArgumentException, IllegalAccessException {
+    public void whenGetFields_thenSuccess() throws IllegalAccessException, IllegalArgumentException, NoSuchFieldException, NullPointerException {
         Person person = new Person();
-        person.setName("John");
 
-        Field field = person.getClass()
+        Field fieldName = person.getClass()
             .getDeclaredField("name");
-        field.setAccessible(true);
+        fieldName.setAccessible(true);
 
-        String name = (String) field.get(person);
+        String name = (String) fieldName.get(person);
+
+        Field fieldAge = person.getClass()
+            .getDeclaredField("age");
+        fieldAge.setAccessible(true);
+
+        int age = fieldAge.getInt(person);
 
         Assertions.assertEquals("John", name);
+        Assertions.assertEquals(30, age);
     }
 
     @Test
-    public void givenInt_whenSetStringField_thenIllegalArgumentException() throws NoSuchFieldException, NullPointerException, IllegalArgumentException, IllegalAccessException {
+    public void givenInt_whenSetStringField_thenIllegalArgumentException() throws IllegalAccessException, IllegalArgumentException, NoSuchFieldException, NullPointerException {
         Person person = new Person();
-        Field field = person.getClass()
+        Field fieldName = person.getClass()
             .getDeclaredField("name");
-        field.setAccessible(true);
+        fieldName.setAccessible(true);
 
-        Assertions.assertThrows(IllegalArgumentException.class, () -> field.setInt(person, 25));
+        Assertions.assertThrows(IllegalArgumentException.class, () -> fieldName.setInt(person, 25));
     }
 
     @Test
-    public void whenFieldNotSetAccessible_thenIllegalAccessException() throws NoSuchFieldException, NullPointerException, IllegalArgumentException, IllegalAccessException {
+    public void whenFieldNotSetAccessible_thenIllegalAccessException() throws IllegalAccessException, IllegalArgumentException, NoSuchFieldException, NullPointerException {
         Person person = new Person();
-        Field field = person.getClass()
+        Field fieldName = person.getClass()
             .getDeclaredField("name");
 
-        Assertions.assertThrows(IllegalAccessException.class, () -> field.set(person, "John"));
+        Assertions.assertThrows(IllegalAccessException.class, () -> fieldName.get(person));
+    }
+
+    @Test
+    public void whenAccessingWrongProperty_thenNoSuchFieldException() throws NoSuchFieldException, NullPointerException {
+        Person person = new Person();
+
+        Assertions.assertThrows(NoSuchFieldException.class, () -> person.getClass()
+            .getDeclaredField("genders"));
+    }
+
+    @Test
+    public void whenAccessingNullProperty_thenNullPointerException() throws NoSuchFieldException, NullPointerException {
+        Person person = new Person();
+
+        Assertions.assertThrows(NullPointerException.class, () -> person.getClass()
+            .getDeclaredField(null));
     }
 
 }
diff --git a/core-java-modules/core-java-reflection/src/test/java/com/baeldung/reflection/access/privatefields/AccessPrivateMethodsUnitTest.java b/core-java-modules/core-java-reflection/src/test/java/com/baeldung/reflection/access/privatefields/AccessPrivateMethodsUnitTest.java
index b44731c7ef..10c953f4af 100644
--- a/core-java-modules/core-java-reflection/src/test/java/com/baeldung/reflection/access/privatefields/AccessPrivateMethodsUnitTest.java
+++ b/core-java-modules/core-java-reflection/src/test/java/com/baeldung/reflection/access/privatefields/AccessPrivateMethodsUnitTest.java
@@ -9,20 +9,20 @@ import org.junit.jupiter.api.Test;
 public class AccessPrivateMethodsUnitTest {
 
     @Test
-    public void whenGetMethod_thenSuccess() throws NoSuchMethodException, IllegalAccessException, IllegalArgumentException, InvocationTargetException {
+    public void whenGetMethod_thenSuccess() throws IllegalArgumentException, IllegalAccessException, InvocationTargetException, NoSuchMethodException, NullPointerException {
         Person person = new Person();
 
         Method method = person.getClass()
             .getDeclaredMethod("greet", String.class);
         method.setAccessible(true);
 
-        String greetMessage = (String) method.invoke(person, "John");
+        String greetMessage = (String) method.invoke(person, "Jane");
 
-        Assertions.assertEquals("Hello John", greetMessage);
+        Assertions.assertEquals("Hello Jane", greetMessage);
     }
 
     @Test
-    public void givenInt_whenInvokeMethod_thenIllegalArgumentException() throws NoSuchMethodException, IllegalAccessException, IllegalArgumentException, InvocationTargetException {
+    public void givenInt_whenInvokeMethod_thenIllegalArgumentException() throws IllegalArgumentException, IllegalAccessException, NoSuchMethodException, NullPointerException {
         Person person = new Person();
 
         Method method = person.getClass()
@@ -33,24 +33,38 @@ public class AccessPrivateMethodsUnitTest {
     }
 
     @Test
-    public void whenMethodNotSetAccessible_thenIllegalAccessException() throws NoSuchMethodException, IllegalAccessException, IllegalArgumentException, InvocationTargetException {
+    public void whenMethodNotSetAccessible_thenIllegalAccessException() throws IllegalArgumentException, IllegalAccessException, NoSuchMethodException, NullPointerException {
         Person person = new Person();
 
         Method method = person.getClass()
             .getDeclaredMethod("greet", String.class);
 
-        Assertions.assertThrows(IllegalAccessException.class, () -> method.invoke(person, "John"));
+        Assertions.assertThrows(IllegalAccessException.class, () -> method.invoke(person, "Jane"));
     }
 
     @Test
-    public void whenCallingMethodThrowsException_thenInvocationTargetException() throws NoSuchMethodException, IllegalAccessException, IllegalArgumentException, InvocationTargetException {
+    public void whenCallingMethodThrowsException_thenInvocationTargetException() throws IllegalArgumentException, IllegalAccessException, InvocationTargetException, NoSuchMethodException, NullPointerException {
         Person person = new Person();
-
         Method method = person.getClass()
             .getDeclaredMethod("divideByZeroExample");
         method.setAccessible(true);
-
         Assertions.assertThrows(InvocationTargetException.class, () -> method.invoke(person));
     }
 
+    @Test
+    public void whenAccessingWrongProperty_thenNoSuchMethodException() throws NoSuchMethodException, NullPointerException {
+        Person person = new Person();
+
+        Assertions.assertThrows(NoSuchMethodException.class, () -> person.getClass()
+            .getDeclaredMethod("greeting", String.class));
+    }
+
+    @Test
+    public void whenAccessingNullMethod_thenNullPointerException() throws NoSuchMethodException, NullPointerException {
+        Person person = new Person();
+
+        Assertions.assertThrows(NullPointerException.class, () -> person.getClass()
+            .getDeclaredMethod(null, String.class));
+    }
+
 }

From efa72998e56e9bcbae6ab9b442dfa9cc463c58b0 Mon Sep 17 00:00:00 2001
From: Umang Budhwar <umangbudhwar@gmail.com>
Date: Fri, 19 Jun 2020 22:20:57 +0530
Subject: [PATCH 05/18] Added new test case for IllegalArgumentException

---
 .../privatefields/AccessPrivateFieldsUnitTest.java    |  4 ++--
 .../privatefields/AccessPrivateMethodsUnitTest.java   | 11 +++++++++++
 2 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/core-java-modules/core-java-reflection/src/test/java/com/baeldung/reflection/access/privatefields/AccessPrivateFieldsUnitTest.java b/core-java-modules/core-java-reflection/src/test/java/com/baeldung/reflection/access/privatefields/AccessPrivateFieldsUnitTest.java
index b885e3b669..c74af1fe90 100644
--- a/core-java-modules/core-java-reflection/src/test/java/com/baeldung/reflection/access/privatefields/AccessPrivateFieldsUnitTest.java
+++ b/core-java-modules/core-java-reflection/src/test/java/com/baeldung/reflection/access/privatefields/AccessPrivateFieldsUnitTest.java
@@ -28,13 +28,13 @@ public class AccessPrivateFieldsUnitTest {
     }
 
     @Test
-    public void givenInt_whenSetStringField_thenIllegalArgumentException() throws IllegalAccessException, IllegalArgumentException, NoSuchFieldException, NullPointerException {
+    public void givenInt_whenGetStringField_thenIllegalArgumentException() throws IllegalAccessException, IllegalArgumentException, NoSuchFieldException, NullPointerException {
         Person person = new Person();
         Field fieldName = person.getClass()
             .getDeclaredField("name");
         fieldName.setAccessible(true);
 
-        Assertions.assertThrows(IllegalArgumentException.class, () -> fieldName.setInt(person, 25));
+        Assertions.assertThrows(IllegalArgumentException.class, () -> fieldName.getInt(person));
     }
 
     @Test
diff --git a/core-java-modules/core-java-reflection/src/test/java/com/baeldung/reflection/access/privatefields/AccessPrivateMethodsUnitTest.java b/core-java-modules/core-java-reflection/src/test/java/com/baeldung/reflection/access/privatefields/AccessPrivateMethodsUnitTest.java
index 10c953f4af..df745897d2 100644
--- a/core-java-modules/core-java-reflection/src/test/java/com/baeldung/reflection/access/privatefields/AccessPrivateMethodsUnitTest.java
+++ b/core-java-modules/core-java-reflection/src/test/java/com/baeldung/reflection/access/privatefields/AccessPrivateMethodsUnitTest.java
@@ -31,6 +31,17 @@ public class AccessPrivateMethodsUnitTest {
 
         Assertions.assertThrows(IllegalArgumentException.class, () -> method.invoke(person, 25));
     }
+    
+    @Test
+    public void givenMultipleParameters_whenInvokeMethod_thenIllegalArgumentException() throws IllegalArgumentException, IllegalAccessException, NoSuchMethodException, NullPointerException {
+        Person person = new Person();
+
+        Method method = person.getClass()
+            .getDeclaredMethod("greet", String.class);
+        method.setAccessible(true);
+
+        Assertions.assertThrows(IllegalArgumentException.class, () -> method.invoke(person, "John", "Jane"));
+    }
 
     @Test
     public void whenMethodNotSetAccessible_thenIllegalAccessException() throws IllegalArgumentException, IllegalAccessException, NoSuchMethodException, NullPointerException {

From a951d80b419ef562f688a1afaae492098eb3e66e Mon Sep 17 00:00:00 2001
From: Umang Budhwar <umangbudhwar@gmail.com>
Date: Tue, 23 Jun 2020 21:48:01 +0530
Subject: [PATCH 06/18] Removed test cases for getting private methods

---
 .../AccessPrivateMethodsUnitTest.java         | 81 -------------------
 1 file changed, 81 deletions(-)
 delete mode 100644 core-java-modules/core-java-reflection/src/test/java/com/baeldung/reflection/access/privatefields/AccessPrivateMethodsUnitTest.java

diff --git a/core-java-modules/core-java-reflection/src/test/java/com/baeldung/reflection/access/privatefields/AccessPrivateMethodsUnitTest.java b/core-java-modules/core-java-reflection/src/test/java/com/baeldung/reflection/access/privatefields/AccessPrivateMethodsUnitTest.java
deleted file mode 100644
index df745897d2..0000000000
--- a/core-java-modules/core-java-reflection/src/test/java/com/baeldung/reflection/access/privatefields/AccessPrivateMethodsUnitTest.java
+++ /dev/null
@@ -1,81 +0,0 @@
-package com.baeldung.reflection.access.privatefields;
-
-import java.lang.reflect.InvocationTargetException;
-import java.lang.reflect.Method;
-
-import org.junit.jupiter.api.Assertions;
-import org.junit.jupiter.api.Test;
-
-public class AccessPrivateMethodsUnitTest {
-
-    @Test
-    public void whenGetMethod_thenSuccess() throws IllegalArgumentException, IllegalAccessException, InvocationTargetException, NoSuchMethodException, NullPointerException {
-        Person person = new Person();
-
-        Method method = person.getClass()
-            .getDeclaredMethod("greet", String.class);
-        method.setAccessible(true);
-
-        String greetMessage = (String) method.invoke(person, "Jane");
-
-        Assertions.assertEquals("Hello Jane", greetMessage);
-    }
-
-    @Test
-    public void givenInt_whenInvokeMethod_thenIllegalArgumentException() throws IllegalArgumentException, IllegalAccessException, NoSuchMethodException, NullPointerException {
-        Person person = new Person();
-
-        Method method = person.getClass()
-            .getDeclaredMethod("greet", String.class);
-        method.setAccessible(true);
-
-        Assertions.assertThrows(IllegalArgumentException.class, () -> method.invoke(person, 25));
-    }
-    
-    @Test
-    public void givenMultipleParameters_whenInvokeMethod_thenIllegalArgumentException() throws IllegalArgumentException, IllegalAccessException, NoSuchMethodException, NullPointerException {
-        Person person = new Person();
-
-        Method method = person.getClass()
-            .getDeclaredMethod("greet", String.class);
-        method.setAccessible(true);
-
-        Assertions.assertThrows(IllegalArgumentException.class, () -> method.invoke(person, "John", "Jane"));
-    }
-
-    @Test
-    public void whenMethodNotSetAccessible_thenIllegalAccessException() throws IllegalArgumentException, IllegalAccessException, NoSuchMethodException, NullPointerException {
-        Person person = new Person();
-
-        Method method = person.getClass()
-            .getDeclaredMethod("greet", String.class);
-
-        Assertions.assertThrows(IllegalAccessException.class, () -> method.invoke(person, "Jane"));
-    }
-
-    @Test
-    public void whenCallingMethodThrowsException_thenInvocationTargetException() throws IllegalArgumentException, IllegalAccessException, InvocationTargetException, NoSuchMethodException, NullPointerException {
-        Person person = new Person();
-        Method method = person.getClass()
-            .getDeclaredMethod("divideByZeroExample");
-        method.setAccessible(true);
-        Assertions.assertThrows(InvocationTargetException.class, () -> method.invoke(person));
-    }
-
-    @Test
-    public void whenAccessingWrongProperty_thenNoSuchMethodException() throws NoSuchMethodException, NullPointerException {
-        Person person = new Person();
-
-        Assertions.assertThrows(NoSuchMethodException.class, () -> person.getClass()
-            .getDeclaredMethod("greeting", String.class));
-    }
-
-    @Test
-    public void whenAccessingNullMethod_thenNullPointerException() throws NoSuchMethodException, NullPointerException {
-        Person person = new Person();
-
-        Assertions.assertThrows(NullPointerException.class, () -> person.getClass()
-            .getDeclaredMethod(null, String.class));
-    }
-
-}

From 885278e502f896f232b712038613bb7c8b01ec62 Mon Sep 17 00:00:00 2001
From: Umang Budhwar <umangbudhwar@gmail.com>
Date: Tue, 23 Jun 2020 21:49:35 +0530
Subject: [PATCH 07/18] Added test cases for accessing all data types.

---
 .../access/privatefields/Person.java          | 76 +++++++++++++--
 .../AccessPrivateFieldsUnitTest.java          | 95 ++++++++++++++++---
 2 files changed, 153 insertions(+), 18 deletions(-)

diff --git a/core-java-modules/core-java-reflection/src/main/java/com/baeldung/reflection/access/privatefields/Person.java b/core-java-modules/core-java-reflection/src/main/java/com/baeldung/reflection/access/privatefields/Person.java
index 2ec263f6ae..433dc7636d 100755
--- a/core-java-modules/core-java-reflection/src/main/java/com/baeldung/reflection/access/privatefields/Person.java
+++ b/core-java-modules/core-java-reflection/src/main/java/com/baeldung/reflection/access/privatefields/Person.java
@@ -4,7 +4,21 @@ public class Person {
 
     private String name = "John";
 
-    private int age = 30;
+    private byte age = 30;
+
+    private short uidNumber = 5555;
+
+    private int pinCode = 452002;
+
+    private long contactNumber = 123456789L;
+
+    private float height = 6.1242f;
+
+    private double weight = 75.2564;
+
+    private char gender = 'M';
+
+    private boolean active = true;
 
     public String getName() {
         return name;
@@ -14,20 +28,68 @@ public class Person {
         this.name = name;
     }
 
-    public int getAge() {
+    public byte getAge() {
         return age;
     }
 
-    public void setAge(int age) {
+    public void setAge(byte age) {
         this.age = age;
     }
 
-    private String greet(String name) {
-        return "Hello " + name;
+    public short getUidNumber() {
+        return uidNumber;
     }
 
-    private int divideByZeroExample() {
-        return 1 / 0;
+    public void setUidNumber(short uidNumber) {
+        this.uidNumber = uidNumber;
+    }
+
+    public int getPinCode() {
+        return pinCode;
+    }
+
+    public void setPinCode(int pinCode) {
+        this.pinCode = pinCode;
+    }
+
+    public long getContactNumber() {
+        return contactNumber;
+    }
+
+    public void setContactNumber(long contactNumber) {
+        this.contactNumber = contactNumber;
+    }
+
+    public float getHeight() {
+        return height;
+    }
+
+    public void setHeight(float height) {
+        this.height = height;
+    }
+
+    public double getWeight() {
+        return weight;
+    }
+
+    public void setWeight(double weight) {
+        this.weight = weight;
+    }
+
+    public char getGender() {
+        return gender;
+    }
+
+    public void setGender(char gender) {
+        this.gender = gender;
+    }
+
+    public boolean isActive() {
+        return active;
+    }
+
+    public void setActive(boolean active) {
+        this.active = active;
     }
 
 }
diff --git a/core-java-modules/core-java-reflection/src/test/java/com/baeldung/reflection/access/privatefields/AccessPrivateFieldsUnitTest.java b/core-java-modules/core-java-reflection/src/test/java/com/baeldung/reflection/access/privatefields/AccessPrivateFieldsUnitTest.java
index c74af1fe90..69f3eebe71 100644
--- a/core-java-modules/core-java-reflection/src/test/java/com/baeldung/reflection/access/privatefields/AccessPrivateFieldsUnitTest.java
+++ b/core-java-modules/core-java-reflection/src/test/java/com/baeldung/reflection/access/privatefields/AccessPrivateFieldsUnitTest.java
@@ -11,39 +11,112 @@ public class AccessPrivateFieldsUnitTest {
     public void whenGetFields_thenSuccess() throws IllegalAccessException, IllegalArgumentException, NoSuchFieldException, NullPointerException {
         Person person = new Person();
 
-        Field fieldName = person.getClass()
+        Field nameField = person.getClass()
             .getDeclaredField("name");
-        fieldName.setAccessible(true);
+        nameField.setAccessible(true);
 
-        String name = (String) fieldName.get(person);
+        String name = (String) nameField.get(person);
 
-        Field fieldAge = person.getClass()
+        Field ageField = person.getClass()
             .getDeclaredField("age");
-        fieldAge.setAccessible(true);
+        ageField.setAccessible(true);
 
-        int age = fieldAge.getInt(person);
+        byte age = ageField.getByte(person);
 
         Assertions.assertEquals("John", name);
         Assertions.assertEquals(30, age);
     }
 
+    @Test
+    public void whenGetIntegerFields_thenSuccess() throws IllegalAccessException, IllegalArgumentException, NoSuchFieldException, NullPointerException {
+        Person person = new Person();
+
+        Field uidNumberField = person.getClass()
+            .getDeclaredField("uidNumber");
+        uidNumberField.setAccessible(true);
+
+        short uidNumber = uidNumberField.getShort(person);
+
+        Field pinCodeField = person.getClass()
+            .getDeclaredField("pinCode");
+        pinCodeField.setAccessible(true);
+
+        int pinCode = pinCodeField.getInt(person);
+
+        Field contactNumberField = person.getClass()
+            .getDeclaredField("contactNumber");
+        contactNumberField.setAccessible(true);
+
+        long contactNumber = contactNumberField.getLong(person);
+
+        Assertions.assertEquals(5555, uidNumber);
+        Assertions.assertEquals(452002, pinCode);
+        Assertions.assertEquals(123456789L, contactNumber);
+    }
+
+    @Test
+    public void whenGetFloatingTypeFields_thenSuccess() throws IllegalAccessException, IllegalArgumentException, NoSuchFieldException, NullPointerException {
+        Person person = new Person();
+
+        Field heightField = person.getClass()
+            .getDeclaredField("height");
+        heightField.setAccessible(true);
+
+        float height = heightField.getFloat(person);
+
+        Field weightField = person.getClass()
+            .getDeclaredField("weight");
+        weightField.setAccessible(true);
+
+        double weight = weightField.getDouble(person);
+
+        Assertions.assertEquals(6.1242f, height);
+        Assertions.assertEquals(75.2564, weight);
+    }
+
+    @Test
+    public void whenGetCharacterFields_thenSuccess() throws IllegalAccessException, IllegalArgumentException, NoSuchFieldException, NullPointerException {
+        Person person = new Person();
+
+        Field genderField = person.getClass()
+            .getDeclaredField("gender");
+        genderField.setAccessible(true);
+
+        char gender = genderField.getChar(person);
+
+        Assertions.assertEquals('M', gender);
+    }
+
+    @Test
+    public void whenGetBooleanFields_thenSuccess() throws IllegalAccessException, IllegalArgumentException, NoSuchFieldException, NullPointerException {
+        Person person = new Person();
+
+        Field activeField = person.getClass()
+            .getDeclaredField("active");
+        activeField.setAccessible(true);
+
+        boolean active = activeField.getBoolean(person);
+
+        Assertions.assertTrue(active);
+    }
+
     @Test
     public void givenInt_whenGetStringField_thenIllegalArgumentException() throws IllegalAccessException, IllegalArgumentException, NoSuchFieldException, NullPointerException {
         Person person = new Person();
-        Field fieldName = person.getClass()
+        Field nameField = person.getClass()
             .getDeclaredField("name");
-        fieldName.setAccessible(true);
+        nameField.setAccessible(true);
 
-        Assertions.assertThrows(IllegalArgumentException.class, () -> fieldName.getInt(person));
+        Assertions.assertThrows(IllegalArgumentException.class, () -> nameField.getInt(person));
     }
 
     @Test
     public void whenFieldNotSetAccessible_thenIllegalAccessException() throws IllegalAccessException, IllegalArgumentException, NoSuchFieldException, NullPointerException {
         Person person = new Person();
-        Field fieldName = person.getClass()
+        Field nameField = person.getClass()
             .getDeclaredField("name");
 
-        Assertions.assertThrows(IllegalAccessException.class, () -> fieldName.get(person));
+        Assertions.assertThrows(IllegalAccessException.class, () -> nameField.get(person));
     }
 
     @Test

From 0e528b11d2fd5d832b2d040bdf5c65214c60bdaf Mon Sep 17 00:00:00 2001
From: Umang Budhwar <umangbudhwar@gmail.com>
Date: Sat, 27 Jun 2020 16:33:20 +0530
Subject: [PATCH 08/18] Segregated test cases for primitive and object types.
 Added test case for Autoboxing.

---
 .../AccessPrivateFieldsUnitTest.java          | 50 +++++++++++--------
 1 file changed, 29 insertions(+), 21 deletions(-)

diff --git a/core-java-modules/core-java-reflection/src/test/java/com/baeldung/reflection/access/privatefields/AccessPrivateFieldsUnitTest.java b/core-java-modules/core-java-reflection/src/test/java/com/baeldung/reflection/access/privatefields/AccessPrivateFieldsUnitTest.java
index 69f3eebe71..bf9e4ea591 100644
--- a/core-java-modules/core-java-reflection/src/test/java/com/baeldung/reflection/access/privatefields/AccessPrivateFieldsUnitTest.java
+++ b/core-java-modules/core-java-reflection/src/test/java/com/baeldung/reflection/access/privatefields/AccessPrivateFieldsUnitTest.java
@@ -8,50 +8,49 @@ import org.junit.jupiter.api.Test;
 public class AccessPrivateFieldsUnitTest {
 
     @Test
-    public void whenGetFields_thenSuccess() throws IllegalAccessException, IllegalArgumentException, NoSuchFieldException, NullPointerException {
+    public void whenGetIntegerFields_thenSuccess() throws IllegalAccessException, IllegalArgumentException, NoSuchFieldException, NullPointerException {
         Person person = new Person();
 
-        Field nameField = person.getClass()
-            .getDeclaredField("name");
-        nameField.setAccessible(true);
-
-        String name = (String) nameField.get(person);
-
         Field ageField = person.getClass()
             .getDeclaredField("age");
         ageField.setAccessible(true);
 
         byte age = ageField.getByte(person);
-
-        Assertions.assertEquals("John", name);
         Assertions.assertEquals(30, age);
-    }
-
-    @Test
-    public void whenGetIntegerFields_thenSuccess() throws IllegalAccessException, IllegalArgumentException, NoSuchFieldException, NullPointerException {
-        Person person = new Person();
 
         Field uidNumberField = person.getClass()
             .getDeclaredField("uidNumber");
         uidNumberField.setAccessible(true);
 
         short uidNumber = uidNumberField.getShort(person);
+        Assertions.assertEquals(5555, uidNumber);
 
         Field pinCodeField = person.getClass()
             .getDeclaredField("pinCode");
         pinCodeField.setAccessible(true);
 
         int pinCode = pinCodeField.getInt(person);
+        Assertions.assertEquals(452002, pinCode);
 
         Field contactNumberField = person.getClass()
             .getDeclaredField("contactNumber");
         contactNumberField.setAccessible(true);
 
         long contactNumber = contactNumberField.getLong(person);
-
-        Assertions.assertEquals(5555, uidNumber);
-        Assertions.assertEquals(452002, pinCode);
         Assertions.assertEquals(123456789L, contactNumber);
+
+    }
+
+    @Test
+    public void whenDoAutoboxing_thenSuccess() throws IllegalAccessException, IllegalArgumentException, NoSuchFieldException, NullPointerException {
+        Person person = new Person();
+
+        Field pinCodeField = person.getClass()
+            .getDeclaredField("pinCode");
+        pinCodeField.setAccessible(true);
+
+        Integer pinCode = pinCodeField.getInt(person);
+        Assertions.assertEquals(452002, pinCode);
     }
 
     @Test
@@ -63,14 +62,13 @@ public class AccessPrivateFieldsUnitTest {
         heightField.setAccessible(true);
 
         float height = heightField.getFloat(person);
+        Assertions.assertEquals(6.1242f, height);
 
         Field weightField = person.getClass()
             .getDeclaredField("weight");
         weightField.setAccessible(true);
 
         double weight = weightField.getDouble(person);
-
-        Assertions.assertEquals(6.1242f, height);
         Assertions.assertEquals(75.2564, weight);
     }
 
@@ -83,7 +81,6 @@ public class AccessPrivateFieldsUnitTest {
         genderField.setAccessible(true);
 
         char gender = genderField.getChar(person);
-
         Assertions.assertEquals('M', gender);
     }
 
@@ -96,10 +93,21 @@ public class AccessPrivateFieldsUnitTest {
         activeField.setAccessible(true);
 
         boolean active = activeField.getBoolean(person);
-
         Assertions.assertTrue(active);
     }
 
+    @Test
+    public void whenGetObjectFields_thenSuccess() throws IllegalAccessException, IllegalArgumentException, NoSuchFieldException, NullPointerException {
+        Person person = new Person();
+
+        Field nameField = person.getClass()
+            .getDeclaredField("name");
+        nameField.setAccessible(true);
+
+        String name = (String) nameField.get(person);
+        Assertions.assertEquals("John", name);
+    }
+
     @Test
     public void givenInt_whenGetStringField_thenIllegalArgumentException() throws IllegalAccessException, IllegalArgumentException, NoSuchFieldException, NullPointerException {
         Person person = new Person();

From 5236d6ceddda702cde8c06e9ffef7975e871756a Mon Sep 17 00:00:00 2001
From: Umang Budhwar <umangbudhwar@gmail.com>
Date: Sat, 27 Jun 2020 16:39:16 +0530
Subject: [PATCH 09/18] Condensed fields by removing extra space.

---
 .../baeldung/reflection/access/privatefields/Person.java  | 8 --------
 1 file changed, 8 deletions(-)

diff --git a/core-java-modules/core-java-reflection/src/main/java/com/baeldung/reflection/access/privatefields/Person.java b/core-java-modules/core-java-reflection/src/main/java/com/baeldung/reflection/access/privatefields/Person.java
index 433dc7636d..4e2f0fc0cc 100755
--- a/core-java-modules/core-java-reflection/src/main/java/com/baeldung/reflection/access/privatefields/Person.java
+++ b/core-java-modules/core-java-reflection/src/main/java/com/baeldung/reflection/access/privatefields/Person.java
@@ -3,21 +3,13 @@ package com.baeldung.reflection.access.privatefields;
 public class Person {
 
     private String name = "John";
-
     private byte age = 30;
-
     private short uidNumber = 5555;
-
     private int pinCode = 452002;
-
     private long contactNumber = 123456789L;
-
     private float height = 6.1242f;
-
     private double weight = 75.2564;
-
     private char gender = 'M';
-
     private boolean active = true;
 
     public String getName() {

From 0549f755b08b7f1c5b529d4cec42483d46a072f2 Mon Sep 17 00:00:00 2001
From: Umang Budhwar <umangbudhwar@gmail.com>
Date: Mon, 29 Jun 2020 22:27:35 +0530
Subject: [PATCH 10/18] Added test case for widening.

---
 .../AccessPrivateFieldsUnitTest.java          | 24 ++++++++++++++++++-
 1 file changed, 23 insertions(+), 1 deletion(-)

diff --git a/core-java-modules/core-java-reflection/src/test/java/com/baeldung/reflection/access/privatefields/AccessPrivateFieldsUnitTest.java b/core-java-modules/core-java-reflection/src/test/java/com/baeldung/reflection/access/privatefields/AccessPrivateFieldsUnitTest.java
index bf9e4ea591..5a2a33fa8f 100644
--- a/core-java-modules/core-java-reflection/src/test/java/com/baeldung/reflection/access/privatefields/AccessPrivateFieldsUnitTest.java
+++ b/core-java-modules/core-java-reflection/src/test/java/com/baeldung/reflection/access/privatefields/AccessPrivateFieldsUnitTest.java
@@ -53,6 +53,18 @@ public class AccessPrivateFieldsUnitTest {
         Assertions.assertEquals(452002, pinCode);
     }
 
+    @Test
+    public void whenDoWidening_thenSuccess() throws IllegalAccessException, IllegalArgumentException, NoSuchFieldException, NullPointerException {
+        Person person = new Person();
+
+        Field pinCodeField = person.getClass()
+            .getDeclaredField("pinCode");
+        pinCodeField.setAccessible(true);
+
+        Long pinCode = pinCodeField.getLong(person);
+        Assertions.assertEquals(452002L, pinCode);
+    }
+
     @Test
     public void whenGetFloatingTypeFields_thenSuccess() throws IllegalAccessException, IllegalArgumentException, NoSuchFieldException, NullPointerException {
         Person person = new Person();
@@ -118,6 +130,16 @@ public class AccessPrivateFieldsUnitTest {
         Assertions.assertThrows(IllegalArgumentException.class, () -> nameField.getInt(person));
     }
 
+    @Test
+    public void givenInt_whenGetLongField_thenIllegalArgumentException() throws IllegalAccessException, IllegalArgumentException, NoSuchFieldException, NullPointerException {
+        Person person = new Person();
+        Field contactNumberField = person.getClass()
+            .getDeclaredField("contactNumber");
+        contactNumberField.setAccessible(true);
+
+        Assertions.assertThrows(IllegalArgumentException.class, () -> contactNumberField.getInt(person));
+    }
+
     @Test
     public void whenFieldNotSetAccessible_thenIllegalAccessException() throws IllegalAccessException, IllegalArgumentException, NoSuchFieldException, NullPointerException {
         Person person = new Person();
@@ -132,7 +154,7 @@ public class AccessPrivateFieldsUnitTest {
         Person person = new Person();
 
         Assertions.assertThrows(NoSuchFieldException.class, () -> person.getClass()
-            .getDeclaredField("genders"));
+            .getDeclaredField("firstName"));
     }
 
     @Test

From 5e63ab27a1f0a60271fd77828da003350db98876 Mon Sep 17 00:00:00 2001
From: Umang Budhwar <umangbudhwar@gmail.com>
Date: Sat, 4 Jul 2020 21:53:43 +0530
Subject: [PATCH 11/18] Refactored test cases to throw generic Exception

---
 .../AccessPrivateFieldsUnitTest.java          | 24 +++++++++----------
 1 file changed, 12 insertions(+), 12 deletions(-)

diff --git a/core-java-modules/core-java-reflection/src/test/java/com/baeldung/reflection/access/privatefields/AccessPrivateFieldsUnitTest.java b/core-java-modules/core-java-reflection/src/test/java/com/baeldung/reflection/access/privatefields/AccessPrivateFieldsUnitTest.java
index 5a2a33fa8f..49e1b917b1 100644
--- a/core-java-modules/core-java-reflection/src/test/java/com/baeldung/reflection/access/privatefields/AccessPrivateFieldsUnitTest.java
+++ b/core-java-modules/core-java-reflection/src/test/java/com/baeldung/reflection/access/privatefields/AccessPrivateFieldsUnitTest.java
@@ -8,7 +8,7 @@ import org.junit.jupiter.api.Test;
 public class AccessPrivateFieldsUnitTest {
 
     @Test
-    public void whenGetIntegerFields_thenSuccess() throws IllegalAccessException, IllegalArgumentException, NoSuchFieldException, NullPointerException {
+    public void whenGetIntegerFields_thenSuccess() throws Exception {
         Person person = new Person();
 
         Field ageField = person.getClass()
@@ -42,7 +42,7 @@ public class AccessPrivateFieldsUnitTest {
     }
 
     @Test
-    public void whenDoAutoboxing_thenSuccess() throws IllegalAccessException, IllegalArgumentException, NoSuchFieldException, NullPointerException {
+    public void whenDoAutoboxing_thenSuccess() throws Exception {
         Person person = new Person();
 
         Field pinCodeField = person.getClass()
@@ -54,7 +54,7 @@ public class AccessPrivateFieldsUnitTest {
     }
 
     @Test
-    public void whenDoWidening_thenSuccess() throws IllegalAccessException, IllegalArgumentException, NoSuchFieldException, NullPointerException {
+    public void whenDoWidening_thenSuccess() throws Exception {
         Person person = new Person();
 
         Field pinCodeField = person.getClass()
@@ -66,7 +66,7 @@ public class AccessPrivateFieldsUnitTest {
     }
 
     @Test
-    public void whenGetFloatingTypeFields_thenSuccess() throws IllegalAccessException, IllegalArgumentException, NoSuchFieldException, NullPointerException {
+    public void whenGetFloatingTypeFields_thenSuccess() throws Exception {
         Person person = new Person();
 
         Field heightField = person.getClass()
@@ -85,7 +85,7 @@ public class AccessPrivateFieldsUnitTest {
     }
 
     @Test
-    public void whenGetCharacterFields_thenSuccess() throws IllegalAccessException, IllegalArgumentException, NoSuchFieldException, NullPointerException {
+    public void whenGetCharacterFields_thenSuccess() throws Exception {
         Person person = new Person();
 
         Field genderField = person.getClass()
@@ -97,7 +97,7 @@ public class AccessPrivateFieldsUnitTest {
     }
 
     @Test
-    public void whenGetBooleanFields_thenSuccess() throws IllegalAccessException, IllegalArgumentException, NoSuchFieldException, NullPointerException {
+    public void whenGetBooleanFields_thenSuccess() throws Exception {
         Person person = new Person();
 
         Field activeField = person.getClass()
@@ -109,7 +109,7 @@ public class AccessPrivateFieldsUnitTest {
     }
 
     @Test
-    public void whenGetObjectFields_thenSuccess() throws IllegalAccessException, IllegalArgumentException, NoSuchFieldException, NullPointerException {
+    public void whenGetObjectFields_thenSuccess() throws Exception {
         Person person = new Person();
 
         Field nameField = person.getClass()
@@ -121,7 +121,7 @@ public class AccessPrivateFieldsUnitTest {
     }
 
     @Test
-    public void givenInt_whenGetStringField_thenIllegalArgumentException() throws IllegalAccessException, IllegalArgumentException, NoSuchFieldException, NullPointerException {
+    public void givenInt_whenGetStringField_thenIllegalArgumentException() throws Exception {
         Person person = new Person();
         Field nameField = person.getClass()
             .getDeclaredField("name");
@@ -131,7 +131,7 @@ public class AccessPrivateFieldsUnitTest {
     }
 
     @Test
-    public void givenInt_whenGetLongField_thenIllegalArgumentException() throws IllegalAccessException, IllegalArgumentException, NoSuchFieldException, NullPointerException {
+    public void givenInt_whenGetLongField_thenIllegalArgumentException() throws Exception {
         Person person = new Person();
         Field contactNumberField = person.getClass()
             .getDeclaredField("contactNumber");
@@ -141,7 +141,7 @@ public class AccessPrivateFieldsUnitTest {
     }
 
     @Test
-    public void whenFieldNotSetAccessible_thenIllegalAccessException() throws IllegalAccessException, IllegalArgumentException, NoSuchFieldException, NullPointerException {
+    public void whenFieldNotSetAccessible_thenIllegalAccessException() throws Exception {
         Person person = new Person();
         Field nameField = person.getClass()
             .getDeclaredField("name");
@@ -150,7 +150,7 @@ public class AccessPrivateFieldsUnitTest {
     }
 
     @Test
-    public void whenAccessingWrongProperty_thenNoSuchFieldException() throws NoSuchFieldException, NullPointerException {
+    public void whenAccessingWrongProperty_thenNoSuchFieldException() throws Exception {
         Person person = new Person();
 
         Assertions.assertThrows(NoSuchFieldException.class, () -> person.getClass()
@@ -158,7 +158,7 @@ public class AccessPrivateFieldsUnitTest {
     }
 
     @Test
-    public void whenAccessingNullProperty_thenNullPointerException() throws NoSuchFieldException, NullPointerException {
+    public void whenAccessingNullProperty_thenNullPointerException() throws Exception {
         Person person = new Person();
 
         Assertions.assertThrows(NullPointerException.class, () -> person.getClass()

From 06dcb4ea6d3ad93a624fa103000d3d4ee8946abc Mon Sep 17 00:00:00 2001
From: Umang Budhwar <umangbudhwar@gmail.com>
Date: Fri, 10 Jul 2020 20:06:12 +0530
Subject: [PATCH 12/18] Created new module core-java-reflection-2

---
 .../core-java-reflection-2/pom.xml            |  45 +++
 .../access/privatefields/Person.java          |   0
 .../AccessPrivateFieldsUnitTest.java          |   0
 core-java-modules/pom.xml                     | 291 +++++++++---------
 4 files changed, 191 insertions(+), 145 deletions(-)
 create mode 100644 core-java-modules/core-java-reflection-2/pom.xml
 rename core-java-modules/{core-java-reflection => core-java-reflection-2}/src/main/java/com/baeldung/reflection/access/privatefields/Person.java (100%)
 rename core-java-modules/{core-java-reflection => core-java-reflection-2}/src/test/java/com/baeldung/reflection/access/privatefields/AccessPrivateFieldsUnitTest.java (100%)

diff --git a/core-java-modules/core-java-reflection-2/pom.xml b/core-java-modules/core-java-reflection-2/pom.xml
new file mode 100644
index 0000000000..d711dabd1a
--- /dev/null
+++ b/core-java-modules/core-java-reflection-2/pom.xml
@@ -0,0 +1,45 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <artifactId>core-java-reflection-2</artifactId>
+    <version>0.1.0-SNAPSHOT</version>
+    <name>core-java-reflection-2</name>
+    <packaging>jar</packaging>
+    <parent>
+        <groupId>com.baeldung.core-java-modules</groupId>
+        <artifactId>core-java-modules</artifactId>
+        <version>0.0.1-SNAPSHOT</version>
+        <relativePath>../</relativePath>
+    </parent>
+
+    <build>
+        <finalName>core-java-reflection-2</finalName>
+        <resources>
+            <resource>
+                <directory>src/main/resources</directory>
+                <filtering>true</filtering>
+            </resource>
+        </resources>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <version>${maven-compiler-plugin.version}</version>
+                <configuration>
+                    <source>${source.version}</source>
+                    <target>${target.version}</target>
+                    <compilerArgument>-parameters</compilerArgument>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+
+    <properties>
+        <maven-compiler-plugin.version>3.8.0</maven-compiler-plugin.version>
+        <source.version>1.8</source.version>
+        <target.version>1.8</target.version>
+    </properties>
+</project>
diff --git a/core-java-modules/core-java-reflection/src/main/java/com/baeldung/reflection/access/privatefields/Person.java b/core-java-modules/core-java-reflection-2/src/main/java/com/baeldung/reflection/access/privatefields/Person.java
similarity index 100%
rename from core-java-modules/core-java-reflection/src/main/java/com/baeldung/reflection/access/privatefields/Person.java
rename to core-java-modules/core-java-reflection-2/src/main/java/com/baeldung/reflection/access/privatefields/Person.java
diff --git a/core-java-modules/core-java-reflection/src/test/java/com/baeldung/reflection/access/privatefields/AccessPrivateFieldsUnitTest.java b/core-java-modules/core-java-reflection-2/src/test/java/com/baeldung/reflection/access/privatefields/AccessPrivateFieldsUnitTest.java
similarity index 100%
rename from core-java-modules/core-java-reflection/src/test/java/com/baeldung/reflection/access/privatefields/AccessPrivateFieldsUnitTest.java
rename to core-java-modules/core-java-reflection-2/src/test/java/com/baeldung/reflection/access/privatefields/AccessPrivateFieldsUnitTest.java
diff --git a/core-java-modules/pom.xml b/core-java-modules/pom.xml
index 26c374b51d..272da94f5d 100644
--- a/core-java-modules/pom.xml
+++ b/core-java-modules/pom.xml
@@ -1,169 +1,170 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project
-    xmlns="http://maven.apache.org/POM/4.0.0"
-    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
-    <modelVersion>4.0.0</modelVersion>
-    <groupId>com.baeldung.core-java-modules</groupId>
-    <artifactId>core-java-modules</artifactId>
-    <name>core-java-modules</name>
-    <packaging>pom</packaging>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	<modelVersion>4.0.0</modelVersion>
+	<groupId>com.baeldung.core-java-modules</groupId>
+	<artifactId>core-java-modules</artifactId>
+	<name>core-java-modules</name>
+	<packaging>pom</packaging>
 
-    <parent>
-        <groupId>com.baeldung</groupId>
-        <artifactId>parent-java</artifactId>
-        <version>0.0.1-SNAPSHOT</version>
-        <relativePath>../parent-java</relativePath>
-    </parent>
+	<parent>
+		<groupId>com.baeldung</groupId>
+		<artifactId>parent-java</artifactId>
+		<version>0.0.1-SNAPSHOT</version>
+		<relativePath>../parent-java</relativePath>
+	</parent>
 
-    <modules>
-        <module>core-java</module>
-        <!-- <module>core-java-10</module> --> <!-- We haven't upgraded to java 10. Fixing in BAEL-10841 -->
-        <!-- <module>core-java-11</module> --> <!-- We haven't upgraded to java 11. Fixing in BAEL-10841 -->
-        <!-- <module>core-java-12</module> --> <!-- We haven't upgraded to java 12. Fixing in BAEL-10841 -->
-        <!-- <module>core-java-13</module> --> <!-- We haven't upgraded to java 12. Fixing in BAEL-10841 -->
-        <module>core-java-8</module>
-        <module>core-java-8-2</module>
+	<modules>
+		<module>core-java</module>
+		<!-- <module>core-java-10</module> --> <!-- We haven't upgraded to java 10. Fixing in BAEL-10841 -->
+		<!-- <module>core-java-11</module> --> <!-- We haven't upgraded to java 11. Fixing in BAEL-10841 -->
+		<!-- <module>core-java-12</module> --> <!-- We haven't upgraded to java 12. Fixing in BAEL-10841 -->
+		<!-- <module>core-java-13</module> --> <!-- We haven't upgraded to java 12. Fixing in BAEL-10841 -->
+		<module>core-java-8</module>
+		<module>core-java-8-2</module>
 
-        <!-- <module>core-java-9</module> --> <!-- We haven't upgraded to java 9. Fixing in BAEL-10841 -->
-        <!-- <module>core-java-9-improvements</module> --> <!-- We haven't upgraded to java 9. Fixing in BAEL-10841 -->
-        <!-- <module>core-java-9-jigsaw</module> --> <!-- We haven't upgraded to java 9. Fixing in BAEL-10841 -->
-        <!-- <module>core-java-9-new-features</module> --> <!-- We haven't upgraded to java 9. Fixing in BAEL-10841 -->
-        <!-- <module>core-java-9-streams</module> --> <!-- We haven't upgraded to java 9. Fixing in BAEL-10841 -->
+		<!-- <module>core-java-9</module> --> <!-- We haven't upgraded to java 9. Fixing in BAEL-10841 -->
+		<!-- <module>core-java-9-improvements</module> --> <!-- We haven't upgraded to java 9. Fixing in BAEL-10841 -->
+		<!-- <module>core-java-9-jigsaw</module> --> <!-- We haven't upgraded to java 9. Fixing in BAEL-10841 -->
+		<!-- <module>core-java-9-new-features</module> --> <!-- We haven't upgraded to java 9. Fixing in BAEL-10841 -->
+		<!-- <module>core-java-9-streams</module> --> <!-- We haven't upgraded to java 9. Fixing in BAEL-10841 -->
 
-        <module>core-java-annotations</module>
+		<module>core-java-annotations</module>
 
-        <module>core-java-arrays-sorting</module>
-        <module>core-java-arrays-guides</module>
-        <module>core-java-arrays-multidimensional</module>
-        <module>core-java-arrays-convert</module>
-        <module>core-java-arrays-operations-basic</module>
-        <module>core-java-arrays-operations-advanced</module>
-        
-        <module>core-java-collections</module>
-        <module>core-java-collections-2</module>
-        <module>core-java-collections-3</module>
-        <module>core-java-collections-array-list</module>
-        <module>core-java-collections-list</module>
-        <module>core-java-collections-list-2</module>
-        <module>core-java-collections-list-3</module>
-        <module>core-java-collections-maps</module>
-        <module>core-java-collections-maps-2</module>
-        <module>core-java-collections-maps-3</module>
-        <!-- <module>core-java-collections-set</module> --> <!-- We haven't upgraded to java 11. Fixing in BAEL-10841 -->
+		<module>core-java-arrays-sorting</module>
+		<module>core-java-arrays-guides</module>
+		<module>core-java-arrays-multidimensional</module>
+		<module>core-java-arrays-convert</module>
+		<module>core-java-arrays-operations-basic</module>
+		<module>core-java-arrays-operations-advanced</module>
 
-        <module>core-java-concurrency-2</module>
-        <module>core-java-concurrency-advanced</module>
-        <module>core-java-concurrency-advanced-2</module>
-        <module>core-java-concurrency-advanced-3</module>
-        <module>core-java-concurrency-basic</module>
-        <module>core-java-concurrency-basic-2</module>
-        <module>core-java-concurrency-collections</module>
+		<module>core-java-collections</module>
+		<module>core-java-collections-2</module>
+		<module>core-java-collections-3</module>
+		<module>core-java-collections-array-list</module>
+		<module>core-java-collections-list</module>
+		<module>core-java-collections-list-2</module>
+		<module>core-java-collections-list-3</module>
+		<module>core-java-collections-maps</module>
+		<module>core-java-collections-maps-2</module>
+		<module>core-java-collections-maps-3</module>
+		<!-- <module>core-java-collections-set</module> --> <!-- We haven't upgraded to java 11. Fixing in BAEL-10841 -->
 
-        <!-- <module>core-java-date-operations-1</module> --> <!-- We haven't upgraded to java 9. Fixing in BAEL-10841 -->
-        <module>core-java-date-operations-2</module>
-        <!-- We haven't upgraded to java 9. -->
-        <!-- <module>core-java-datetime-computations</module> <module>core-java-datetime-conversion</module> <module>core-java-datetime-java8</module> <module>core-java-datetime-string</module> -->
+		<module>core-java-concurrency-2</module>
+		<module>core-java-concurrency-advanced</module>
+		<module>core-java-concurrency-advanced-2</module>
+		<module>core-java-concurrency-advanced-3</module>
+		<module>core-java-concurrency-basic</module>
+		<module>core-java-concurrency-basic-2</module>
+		<module>core-java-concurrency-collections</module>
 
-        <module>core-java-exceptions</module>
-        <module>core-java-exceptions-2</module>
+		<!-- <module>core-java-date-operations-1</module> --> <!-- We haven't upgraded to java 9. Fixing in BAEL-10841 -->
+		<module>core-java-date-operations-2</module>
+		<!-- We haven't upgraded to java 9. -->
+		<!-- <module>core-java-datetime-computations</module> <module>core-java-datetime-conversion</module> 
+			<module>core-java-datetime-java8</module> <module>core-java-datetime-string</module> -->
 
-        <module>core-java-function</module>
+		<module>core-java-exceptions</module>
+		<module>core-java-exceptions-2</module>
 
-        <module>core-java-io</module>
-        <module>core-java-io-2</module>
-        <module>core-java-io-apis</module>
-        <module>core-java-io-conversions</module>
-        <module>core-java-io-conversions-2</module>
+		<module>core-java-function</module>
 
-        <module>core-java-jar</module>
-        <module>core-java-jndi</module>
-        <!-- <module>core-java-jpms</module> --> <!-- We haven't upgraded to java 10. Fixing in BAEL-10841 -->
-        <module>core-java-jvm</module>
+		<module>core-java-io</module>
+		<module>core-java-io-2</module>
+		<module>core-java-io-apis</module>
+		<module>core-java-io-conversions</module>
+		<module>core-java-io-conversions-2</module>
 
-        <module>core-java-lambdas</module>
-        <module>core-java-lang</module>
-        <module>core-java-lang-2</module>
-        <module>core-java-lang-math</module>
-        <module>core-java-lang-math-2</module>
-        <module>core-java-lang-oop-constructors</module>
-        <module>core-java-lang-oop-patterns</module>
-        <module>core-java-lang-oop-generics</module>
-        <module>core-java-lang-oop-modifiers</module>
-        <module>core-java-lang-oop-types</module>
-        <module>core-java-lang-oop-inheritance</module>
-        <module>core-java-lang-oop-methods</module>
-        <module>core-java-lang-oop-others</module>
-        <module>core-java-lang-operators</module>
-        <module>core-java-lang-syntax</module>
-        <module>core-java-lang-syntax-2</module>
+		<module>core-java-jar</module>
+		<module>core-java-jndi</module>
+		<!-- <module>core-java-jpms</module> --> <!-- We haven't upgraded to java 10. Fixing in BAEL-10841 -->
+		<module>core-java-jvm</module>
 
-        <module>core-java-networking</module>
-        <module>core-java-networking-2</module>
-        <module>core-java-nio</module>
-        <module>core-java-nio-2</module>
+		<module>core-java-lambdas</module>
+		<module>core-java-lang</module>
+		<module>core-java-lang-2</module>
+		<module>core-java-lang-math</module>
+		<module>core-java-lang-math-2</module>
+		<module>core-java-lang-oop-constructors</module>
+		<module>core-java-lang-oop-patterns</module>
+		<module>core-java-lang-oop-generics</module>
+		<module>core-java-lang-oop-modifiers</module>
+		<module>core-java-lang-oop-types</module>
+		<module>core-java-lang-oop-inheritance</module>
+		<module>core-java-lang-oop-methods</module>
+		<module>core-java-lang-oop-others</module>
+		<module>core-java-lang-operators</module>
+		<module>core-java-lang-syntax</module>
+		<module>core-java-lang-syntax-2</module>
 
-        <module>core-java-optional</module>
-        <!--<module>core-java-os</module> --> <!-- We haven't upgraded to java 9. -->
+		<module>core-java-networking</module>
+		<module>core-java-networking-2</module>
+		<module>core-java-nio</module>
+		<module>core-java-nio-2</module>
 
-        <module>core-java-perf</module>
+		<module>core-java-optional</module>
+		<!--<module>core-java-os</module> --> <!-- We haven't upgraded to java 9. -->
 
-        <module>core-java-reflection</module>
+		<module>core-java-perf</module>
 
-        <module>core-java-security</module>
-        <module>core-java-security-2</module>
-        <module>core-java-streams</module>
-        <module>core-java-streams-2</module>
-        <module>core-java-streams-3</module>
-        <module>core-java-string-algorithms</module>
-        <module>core-java-string-algorithms-2</module>
-        <module>core-java-string-algorithms-3</module>
-        <module>core-java-string-apis</module>
-        <module>core-java-string-conversions</module>
-        <module>core-java-string-conversions-2</module>
-        <module>core-java-string-operations</module>
-        <module>core-java-string-operations-2</module>
-        <module>core-java-strings</module>
-        <module>core-java-sun</module>
+		<module>core-java-reflection</module>
+		<module>core-java-reflection-2</module>
 
-        <module>core-java-regex</module>
-        <!-- <module>core-java-time-measurements</module> --> <!-- We haven't upgraded to java 9. Fixing in BAEL-10841 -->
+		<module>core-java-security</module>
+		<module>core-java-security-2</module>
+		<module>core-java-streams</module>
+		<module>core-java-streams-2</module>
+		<module>core-java-streams-3</module>
+		<module>core-java-string-algorithms</module>
+		<module>core-java-string-algorithms-2</module>
+		<module>core-java-string-algorithms-3</module>
+		<module>core-java-string-apis</module>
+		<module>core-java-string-conversions</module>
+		<module>core-java-string-conversions-2</module>
+		<module>core-java-string-operations</module>
+		<module>core-java-string-operations-2</module>
+		<module>core-java-strings</module>
+		<module>core-java-sun</module>
 
-        <!-- <module>multimodulemavenproject</module> --> <!-- We haven't upgraded to java 9. Fixing in BAEL-10841 -->
-        <module>pre-jpms</module>
-    </modules>
+		<module>core-java-regex</module>
+		<!-- <module>core-java-time-measurements</module> --> <!-- We haven't upgraded to java 9. Fixing in BAEL-10841 -->
 
-    <build>
-        <pluginManagement>
-            <plugins>
-                <plugin>
-                    <groupId>org.apache.maven.plugins</groupId>
-                    <artifactId>maven-surefire-plugin</artifactId>
-                    <version>${maven-surefire-plugin.version}</version>
-                </plugin>
-            </plugins>
-        </pluginManagement>
-    </build>
+		<!-- <module>multimodulemavenproject</module> --> <!-- We haven't upgraded to java 9. Fixing in BAEL-10841 -->
+		<module>pre-jpms</module>
+	</modules>
 
-    <dependencyManagement>
-        <dependencies>
-            <dependency>
-                <groupId>org.junit.jupiter</groupId>
-                <artifactId>junit-jupiter</artifactId>
-                <version>${junit-jupiter.version}</version>
-                <scope>test</scope>
-            </dependency>
-            <dependency>
-                <groupId>org.junit.vintage</groupId>
-                <artifactId>junit-vintage-engine</artifactId>
-                <version>${junit-jupiter.version}</version>
-                <scope>test</scope>
-            </dependency>
-        </dependencies>
-    </dependencyManagement>
+	<build>
+		<pluginManagement>
+			<plugins>
+				<plugin>
+					<groupId>org.apache.maven.plugins</groupId>
+					<artifactId>maven-surefire-plugin</artifactId>
+					<version>${maven-surefire-plugin.version}</version>
+				</plugin>
+			</plugins>
+		</pluginManagement>
+	</build>
 
-    <properties>
-        <maven-surefire-plugin.version>2.22.2</maven-surefire-plugin.version>
-        <junit-jupiter.version>5.6.2</junit-jupiter.version>
-    </properties>
+	<dependencyManagement>
+		<dependencies>
+			<dependency>
+				<groupId>org.junit.jupiter</groupId>
+				<artifactId>junit-jupiter</artifactId>
+				<version>${junit-jupiter.version}</version>
+				<scope>test</scope>
+			</dependency>
+			<dependency>
+				<groupId>org.junit.vintage</groupId>
+				<artifactId>junit-vintage-engine</artifactId>
+				<version>${junit-jupiter.version}</version>
+				<scope>test</scope>
+			</dependency>
+		</dependencies>
+	</dependencyManagement>
+
+	<properties>
+		<maven-surefire-plugin.version>2.22.2</maven-surefire-plugin.version>
+		<junit-jupiter.version>5.6.2</junit-jupiter.version>
+	</properties>
 </project>

From a86a226237ce6fb412d555700c1820750a23c84d Mon Sep 17 00:00:00 2001
From: Umang Budhwar <umangbudhwar@gmail.com>
Date: Fri, 10 Jul 2020 20:27:38 +0530
Subject: [PATCH 13/18] Revert "Created new module core-java-reflection-2"

This reverts commit 06dcb4ea6d3ad93a624fa103000d3d4ee8946abc.
---
 .../core-java-reflection-2/pom.xml            |  45 ---
 .../access/privatefields/Person.java          |   0
 .../AccessPrivateFieldsUnitTest.java          |   0
 core-java-modules/pom.xml                     | 291 +++++++++---------
 4 files changed, 145 insertions(+), 191 deletions(-)
 delete mode 100644 core-java-modules/core-java-reflection-2/pom.xml
 rename core-java-modules/{core-java-reflection-2 => core-java-reflection}/src/main/java/com/baeldung/reflection/access/privatefields/Person.java (100%)
 rename core-java-modules/{core-java-reflection-2 => core-java-reflection}/src/test/java/com/baeldung/reflection/access/privatefields/AccessPrivateFieldsUnitTest.java (100%)

diff --git a/core-java-modules/core-java-reflection-2/pom.xml b/core-java-modules/core-java-reflection-2/pom.xml
deleted file mode 100644
index d711dabd1a..0000000000
--- a/core-java-modules/core-java-reflection-2/pom.xml
+++ /dev/null
@@ -1,45 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project
-    xmlns="http://maven.apache.org/POM/4.0.0"
-    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
-    <modelVersion>4.0.0</modelVersion>
-    <artifactId>core-java-reflection-2</artifactId>
-    <version>0.1.0-SNAPSHOT</version>
-    <name>core-java-reflection-2</name>
-    <packaging>jar</packaging>
-    <parent>
-        <groupId>com.baeldung.core-java-modules</groupId>
-        <artifactId>core-java-modules</artifactId>
-        <version>0.0.1-SNAPSHOT</version>
-        <relativePath>../</relativePath>
-    </parent>
-
-    <build>
-        <finalName>core-java-reflection-2</finalName>
-        <resources>
-            <resource>
-                <directory>src/main/resources</directory>
-                <filtering>true</filtering>
-            </resource>
-        </resources>
-        <plugins>
-            <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-compiler-plugin</artifactId>
-                <version>${maven-compiler-plugin.version}</version>
-                <configuration>
-                    <source>${source.version}</source>
-                    <target>${target.version}</target>
-                    <compilerArgument>-parameters</compilerArgument>
-                </configuration>
-            </plugin>
-        </plugins>
-    </build>
-
-    <properties>
-        <maven-compiler-plugin.version>3.8.0</maven-compiler-plugin.version>
-        <source.version>1.8</source.version>
-        <target.version>1.8</target.version>
-    </properties>
-</project>
diff --git a/core-java-modules/core-java-reflection-2/src/main/java/com/baeldung/reflection/access/privatefields/Person.java b/core-java-modules/core-java-reflection/src/main/java/com/baeldung/reflection/access/privatefields/Person.java
similarity index 100%
rename from core-java-modules/core-java-reflection-2/src/main/java/com/baeldung/reflection/access/privatefields/Person.java
rename to core-java-modules/core-java-reflection/src/main/java/com/baeldung/reflection/access/privatefields/Person.java
diff --git a/core-java-modules/core-java-reflection-2/src/test/java/com/baeldung/reflection/access/privatefields/AccessPrivateFieldsUnitTest.java b/core-java-modules/core-java-reflection/src/test/java/com/baeldung/reflection/access/privatefields/AccessPrivateFieldsUnitTest.java
similarity index 100%
rename from core-java-modules/core-java-reflection-2/src/test/java/com/baeldung/reflection/access/privatefields/AccessPrivateFieldsUnitTest.java
rename to core-java-modules/core-java-reflection/src/test/java/com/baeldung/reflection/access/privatefields/AccessPrivateFieldsUnitTest.java
diff --git a/core-java-modules/pom.xml b/core-java-modules/pom.xml
index 272da94f5d..26c374b51d 100644
--- a/core-java-modules/pom.xml
+++ b/core-java-modules/pom.xml
@@ -1,170 +1,169 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
-	<modelVersion>4.0.0</modelVersion>
-	<groupId>com.baeldung.core-java-modules</groupId>
-	<artifactId>core-java-modules</artifactId>
-	<name>core-java-modules</name>
-	<packaging>pom</packaging>
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <groupId>com.baeldung.core-java-modules</groupId>
+    <artifactId>core-java-modules</artifactId>
+    <name>core-java-modules</name>
+    <packaging>pom</packaging>
 
-	<parent>
-		<groupId>com.baeldung</groupId>
-		<artifactId>parent-java</artifactId>
-		<version>0.0.1-SNAPSHOT</version>
-		<relativePath>../parent-java</relativePath>
-	</parent>
+    <parent>
+        <groupId>com.baeldung</groupId>
+        <artifactId>parent-java</artifactId>
+        <version>0.0.1-SNAPSHOT</version>
+        <relativePath>../parent-java</relativePath>
+    </parent>
 
-	<modules>
-		<module>core-java</module>
-		<!-- <module>core-java-10</module> --> <!-- We haven't upgraded to java 10. Fixing in BAEL-10841 -->
-		<!-- <module>core-java-11</module> --> <!-- We haven't upgraded to java 11. Fixing in BAEL-10841 -->
-		<!-- <module>core-java-12</module> --> <!-- We haven't upgraded to java 12. Fixing in BAEL-10841 -->
-		<!-- <module>core-java-13</module> --> <!-- We haven't upgraded to java 12. Fixing in BAEL-10841 -->
-		<module>core-java-8</module>
-		<module>core-java-8-2</module>
+    <modules>
+        <module>core-java</module>
+        <!-- <module>core-java-10</module> --> <!-- We haven't upgraded to java 10. Fixing in BAEL-10841 -->
+        <!-- <module>core-java-11</module> --> <!-- We haven't upgraded to java 11. Fixing in BAEL-10841 -->
+        <!-- <module>core-java-12</module> --> <!-- We haven't upgraded to java 12. Fixing in BAEL-10841 -->
+        <!-- <module>core-java-13</module> --> <!-- We haven't upgraded to java 12. Fixing in BAEL-10841 -->
+        <module>core-java-8</module>
+        <module>core-java-8-2</module>
 
-		<!-- <module>core-java-9</module> --> <!-- We haven't upgraded to java 9. Fixing in BAEL-10841 -->
-		<!-- <module>core-java-9-improvements</module> --> <!-- We haven't upgraded to java 9. Fixing in BAEL-10841 -->
-		<!-- <module>core-java-9-jigsaw</module> --> <!-- We haven't upgraded to java 9. Fixing in BAEL-10841 -->
-		<!-- <module>core-java-9-new-features</module> --> <!-- We haven't upgraded to java 9. Fixing in BAEL-10841 -->
-		<!-- <module>core-java-9-streams</module> --> <!-- We haven't upgraded to java 9. Fixing in BAEL-10841 -->
+        <!-- <module>core-java-9</module> --> <!-- We haven't upgraded to java 9. Fixing in BAEL-10841 -->
+        <!-- <module>core-java-9-improvements</module> --> <!-- We haven't upgraded to java 9. Fixing in BAEL-10841 -->
+        <!-- <module>core-java-9-jigsaw</module> --> <!-- We haven't upgraded to java 9. Fixing in BAEL-10841 -->
+        <!-- <module>core-java-9-new-features</module> --> <!-- We haven't upgraded to java 9. Fixing in BAEL-10841 -->
+        <!-- <module>core-java-9-streams</module> --> <!-- We haven't upgraded to java 9. Fixing in BAEL-10841 -->
 
-		<module>core-java-annotations</module>
+        <module>core-java-annotations</module>
 
-		<module>core-java-arrays-sorting</module>
-		<module>core-java-arrays-guides</module>
-		<module>core-java-arrays-multidimensional</module>
-		<module>core-java-arrays-convert</module>
-		<module>core-java-arrays-operations-basic</module>
-		<module>core-java-arrays-operations-advanced</module>
+        <module>core-java-arrays-sorting</module>
+        <module>core-java-arrays-guides</module>
+        <module>core-java-arrays-multidimensional</module>
+        <module>core-java-arrays-convert</module>
+        <module>core-java-arrays-operations-basic</module>
+        <module>core-java-arrays-operations-advanced</module>
+        
+        <module>core-java-collections</module>
+        <module>core-java-collections-2</module>
+        <module>core-java-collections-3</module>
+        <module>core-java-collections-array-list</module>
+        <module>core-java-collections-list</module>
+        <module>core-java-collections-list-2</module>
+        <module>core-java-collections-list-3</module>
+        <module>core-java-collections-maps</module>
+        <module>core-java-collections-maps-2</module>
+        <module>core-java-collections-maps-3</module>
+        <!-- <module>core-java-collections-set</module> --> <!-- We haven't upgraded to java 11. Fixing in BAEL-10841 -->
 
-		<module>core-java-collections</module>
-		<module>core-java-collections-2</module>
-		<module>core-java-collections-3</module>
-		<module>core-java-collections-array-list</module>
-		<module>core-java-collections-list</module>
-		<module>core-java-collections-list-2</module>
-		<module>core-java-collections-list-3</module>
-		<module>core-java-collections-maps</module>
-		<module>core-java-collections-maps-2</module>
-		<module>core-java-collections-maps-3</module>
-		<!-- <module>core-java-collections-set</module> --> <!-- We haven't upgraded to java 11. Fixing in BAEL-10841 -->
+        <module>core-java-concurrency-2</module>
+        <module>core-java-concurrency-advanced</module>
+        <module>core-java-concurrency-advanced-2</module>
+        <module>core-java-concurrency-advanced-3</module>
+        <module>core-java-concurrency-basic</module>
+        <module>core-java-concurrency-basic-2</module>
+        <module>core-java-concurrency-collections</module>
 
-		<module>core-java-concurrency-2</module>
-		<module>core-java-concurrency-advanced</module>
-		<module>core-java-concurrency-advanced-2</module>
-		<module>core-java-concurrency-advanced-3</module>
-		<module>core-java-concurrency-basic</module>
-		<module>core-java-concurrency-basic-2</module>
-		<module>core-java-concurrency-collections</module>
+        <!-- <module>core-java-date-operations-1</module> --> <!-- We haven't upgraded to java 9. Fixing in BAEL-10841 -->
+        <module>core-java-date-operations-2</module>
+        <!-- We haven't upgraded to java 9. -->
+        <!-- <module>core-java-datetime-computations</module> <module>core-java-datetime-conversion</module> <module>core-java-datetime-java8</module> <module>core-java-datetime-string</module> -->
 
-		<!-- <module>core-java-date-operations-1</module> --> <!-- We haven't upgraded to java 9. Fixing in BAEL-10841 -->
-		<module>core-java-date-operations-2</module>
-		<!-- We haven't upgraded to java 9. -->
-		<!-- <module>core-java-datetime-computations</module> <module>core-java-datetime-conversion</module> 
-			<module>core-java-datetime-java8</module> <module>core-java-datetime-string</module> -->
+        <module>core-java-exceptions</module>
+        <module>core-java-exceptions-2</module>
 
-		<module>core-java-exceptions</module>
-		<module>core-java-exceptions-2</module>
+        <module>core-java-function</module>
 
-		<module>core-java-function</module>
+        <module>core-java-io</module>
+        <module>core-java-io-2</module>
+        <module>core-java-io-apis</module>
+        <module>core-java-io-conversions</module>
+        <module>core-java-io-conversions-2</module>
 
-		<module>core-java-io</module>
-		<module>core-java-io-2</module>
-		<module>core-java-io-apis</module>
-		<module>core-java-io-conversions</module>
-		<module>core-java-io-conversions-2</module>
+        <module>core-java-jar</module>
+        <module>core-java-jndi</module>
+        <!-- <module>core-java-jpms</module> --> <!-- We haven't upgraded to java 10. Fixing in BAEL-10841 -->
+        <module>core-java-jvm</module>
 
-		<module>core-java-jar</module>
-		<module>core-java-jndi</module>
-		<!-- <module>core-java-jpms</module> --> <!-- We haven't upgraded to java 10. Fixing in BAEL-10841 -->
-		<module>core-java-jvm</module>
+        <module>core-java-lambdas</module>
+        <module>core-java-lang</module>
+        <module>core-java-lang-2</module>
+        <module>core-java-lang-math</module>
+        <module>core-java-lang-math-2</module>
+        <module>core-java-lang-oop-constructors</module>
+        <module>core-java-lang-oop-patterns</module>
+        <module>core-java-lang-oop-generics</module>
+        <module>core-java-lang-oop-modifiers</module>
+        <module>core-java-lang-oop-types</module>
+        <module>core-java-lang-oop-inheritance</module>
+        <module>core-java-lang-oop-methods</module>
+        <module>core-java-lang-oop-others</module>
+        <module>core-java-lang-operators</module>
+        <module>core-java-lang-syntax</module>
+        <module>core-java-lang-syntax-2</module>
 
-		<module>core-java-lambdas</module>
-		<module>core-java-lang</module>
-		<module>core-java-lang-2</module>
-		<module>core-java-lang-math</module>
-		<module>core-java-lang-math-2</module>
-		<module>core-java-lang-oop-constructors</module>
-		<module>core-java-lang-oop-patterns</module>
-		<module>core-java-lang-oop-generics</module>
-		<module>core-java-lang-oop-modifiers</module>
-		<module>core-java-lang-oop-types</module>
-		<module>core-java-lang-oop-inheritance</module>
-		<module>core-java-lang-oop-methods</module>
-		<module>core-java-lang-oop-others</module>
-		<module>core-java-lang-operators</module>
-		<module>core-java-lang-syntax</module>
-		<module>core-java-lang-syntax-2</module>
+        <module>core-java-networking</module>
+        <module>core-java-networking-2</module>
+        <module>core-java-nio</module>
+        <module>core-java-nio-2</module>
 
-		<module>core-java-networking</module>
-		<module>core-java-networking-2</module>
-		<module>core-java-nio</module>
-		<module>core-java-nio-2</module>
+        <module>core-java-optional</module>
+        <!--<module>core-java-os</module> --> <!-- We haven't upgraded to java 9. -->
 
-		<module>core-java-optional</module>
-		<!--<module>core-java-os</module> --> <!-- We haven't upgraded to java 9. -->
+        <module>core-java-perf</module>
 
-		<module>core-java-perf</module>
+        <module>core-java-reflection</module>
 
-		<module>core-java-reflection</module>
-		<module>core-java-reflection-2</module>
+        <module>core-java-security</module>
+        <module>core-java-security-2</module>
+        <module>core-java-streams</module>
+        <module>core-java-streams-2</module>
+        <module>core-java-streams-3</module>
+        <module>core-java-string-algorithms</module>
+        <module>core-java-string-algorithms-2</module>
+        <module>core-java-string-algorithms-3</module>
+        <module>core-java-string-apis</module>
+        <module>core-java-string-conversions</module>
+        <module>core-java-string-conversions-2</module>
+        <module>core-java-string-operations</module>
+        <module>core-java-string-operations-2</module>
+        <module>core-java-strings</module>
+        <module>core-java-sun</module>
 
-		<module>core-java-security</module>
-		<module>core-java-security-2</module>
-		<module>core-java-streams</module>
-		<module>core-java-streams-2</module>
-		<module>core-java-streams-3</module>
-		<module>core-java-string-algorithms</module>
-		<module>core-java-string-algorithms-2</module>
-		<module>core-java-string-algorithms-3</module>
-		<module>core-java-string-apis</module>
-		<module>core-java-string-conversions</module>
-		<module>core-java-string-conversions-2</module>
-		<module>core-java-string-operations</module>
-		<module>core-java-string-operations-2</module>
-		<module>core-java-strings</module>
-		<module>core-java-sun</module>
+        <module>core-java-regex</module>
+        <!-- <module>core-java-time-measurements</module> --> <!-- We haven't upgraded to java 9. Fixing in BAEL-10841 -->
 
-		<module>core-java-regex</module>
-		<!-- <module>core-java-time-measurements</module> --> <!-- We haven't upgraded to java 9. Fixing in BAEL-10841 -->
+        <!-- <module>multimodulemavenproject</module> --> <!-- We haven't upgraded to java 9. Fixing in BAEL-10841 -->
+        <module>pre-jpms</module>
+    </modules>
 
-		<!-- <module>multimodulemavenproject</module> --> <!-- We haven't upgraded to java 9. Fixing in BAEL-10841 -->
-		<module>pre-jpms</module>
-	</modules>
+    <build>
+        <pluginManagement>
+            <plugins>
+                <plugin>
+                    <groupId>org.apache.maven.plugins</groupId>
+                    <artifactId>maven-surefire-plugin</artifactId>
+                    <version>${maven-surefire-plugin.version}</version>
+                </plugin>
+            </plugins>
+        </pluginManagement>
+    </build>
 
-	<build>
-		<pluginManagement>
-			<plugins>
-				<plugin>
-					<groupId>org.apache.maven.plugins</groupId>
-					<artifactId>maven-surefire-plugin</artifactId>
-					<version>${maven-surefire-plugin.version}</version>
-				</plugin>
-			</plugins>
-		</pluginManagement>
-	</build>
+    <dependencyManagement>
+        <dependencies>
+            <dependency>
+                <groupId>org.junit.jupiter</groupId>
+                <artifactId>junit-jupiter</artifactId>
+                <version>${junit-jupiter.version}</version>
+                <scope>test</scope>
+            </dependency>
+            <dependency>
+                <groupId>org.junit.vintage</groupId>
+                <artifactId>junit-vintage-engine</artifactId>
+                <version>${junit-jupiter.version}</version>
+                <scope>test</scope>
+            </dependency>
+        </dependencies>
+    </dependencyManagement>
 
-	<dependencyManagement>
-		<dependencies>
-			<dependency>
-				<groupId>org.junit.jupiter</groupId>
-				<artifactId>junit-jupiter</artifactId>
-				<version>${junit-jupiter.version}</version>
-				<scope>test</scope>
-			</dependency>
-			<dependency>
-				<groupId>org.junit.vintage</groupId>
-				<artifactId>junit-vintage-engine</artifactId>
-				<version>${junit-jupiter.version}</version>
-				<scope>test</scope>
-			</dependency>
-		</dependencies>
-	</dependencyManagement>
-
-	<properties>
-		<maven-surefire-plugin.version>2.22.2</maven-surefire-plugin.version>
-		<junit-jupiter.version>5.6.2</junit-jupiter.version>
-	</properties>
+    <properties>
+        <maven-surefire-plugin.version>2.22.2</maven-surefire-plugin.version>
+        <junit-jupiter.version>5.6.2</junit-jupiter.version>
+    </properties>
 </project>

From 2fa700d339d9a9d2ab499c26875559dffdd24c4c Mon Sep 17 00:00:00 2001
From: Umang Budhwar <umangbudhwar@gmail.com>
Date: Fri, 10 Jul 2020 20:47:46 +0530
Subject: [PATCH 14/18] Added new module core-java-reflection-2

---
 .../core-java-reflection-2/README.MD          |  3 ++
 .../core-java-reflection-2/pom.xml            | 44 +++++++++++++++++++
 .../access/privatefields/Person.java          |  0
 .../AccessPrivateFieldsUnitTest.java          |  0
 core-java-modules/pom.xml                     |  1 +
 5 files changed, 48 insertions(+)
 create mode 100644 core-java-modules/core-java-reflection-2/README.MD
 create mode 100644 core-java-modules/core-java-reflection-2/pom.xml
 rename core-java-modules/{core-java-reflection => core-java-reflection-2}/src/main/java/com/baeldung/reflection/access/privatefields/Person.java (100%)
 rename core-java-modules/{core-java-reflection => core-java-reflection-2}/src/test/java/com/baeldung/reflection/access/privatefields/AccessPrivateFieldsUnitTest.java (100%)

diff --git a/core-java-modules/core-java-reflection-2/README.MD b/core-java-modules/core-java-reflection-2/README.MD
new file mode 100644
index 0000000000..7658851a4d
--- /dev/null
+++ b/core-java-modules/core-java-reflection-2/README.MD
@@ -0,0 +1,3 @@
+## Relevant Articles
+
+- [Reading the Value of 'private' Fields from a Different Class in Java](https://www.baeldung.com/)
\ No newline at end of file
diff --git a/core-java-modules/core-java-reflection-2/pom.xml b/core-java-modules/core-java-reflection-2/pom.xml
new file mode 100644
index 0000000000..17cad52271
--- /dev/null
+++ b/core-java-modules/core-java-reflection-2/pom.xml
@@ -0,0 +1,44 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	<modelVersion>4.0.0</modelVersion>
+	<artifactId>core-java-reflection-2</artifactId>
+	<version>0.1.0-SNAPSHOT</version>
+	<name>core-java-reflection-2</name>
+	<packaging>jar</packaging>
+	<parent>
+		<groupId>com.baeldung.core-java-modules</groupId>
+		<artifactId>core-java-modules</artifactId>
+		<version>0.0.1-SNAPSHOT</version>
+		<relativePath>../</relativePath>
+	</parent>
+
+	<build>
+		<finalName>core-java-reflection-2</finalName>
+		<resources>
+			<resource>
+				<directory>src/main/resources</directory>
+				<filtering>true</filtering>
+			</resource>
+		</resources>
+		<plugins>
+			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-compiler-plugin</artifactId>
+				<version>${maven-compiler-plugin.version}</version>
+				<configuration>
+					<source>${source.version}</source>
+					<target>${target.version}</target>
+					<compilerArgument>-parameters</compilerArgument>
+				</configuration>
+			</plugin>
+		</plugins>
+	</build>
+
+	<properties>
+		<maven-compiler-plugin.version>3.8.0</maven-compiler-plugin.version>
+		<source.version>1.8</source.version>
+		<target.version>1.8</target.version>
+	</properties>
+</project>
\ No newline at end of file
diff --git a/core-java-modules/core-java-reflection/src/main/java/com/baeldung/reflection/access/privatefields/Person.java b/core-java-modules/core-java-reflection-2/src/main/java/com/baeldung/reflection/access/privatefields/Person.java
similarity index 100%
rename from core-java-modules/core-java-reflection/src/main/java/com/baeldung/reflection/access/privatefields/Person.java
rename to core-java-modules/core-java-reflection-2/src/main/java/com/baeldung/reflection/access/privatefields/Person.java
diff --git a/core-java-modules/core-java-reflection/src/test/java/com/baeldung/reflection/access/privatefields/AccessPrivateFieldsUnitTest.java b/core-java-modules/core-java-reflection-2/src/test/java/com/baeldung/reflection/access/privatefields/AccessPrivateFieldsUnitTest.java
similarity index 100%
rename from core-java-modules/core-java-reflection/src/test/java/com/baeldung/reflection/access/privatefields/AccessPrivateFieldsUnitTest.java
rename to core-java-modules/core-java-reflection-2/src/test/java/com/baeldung/reflection/access/privatefields/AccessPrivateFieldsUnitTest.java
diff --git a/core-java-modules/pom.xml b/core-java-modules/pom.xml
index d01a7cc792..4f26c194ee 100644
--- a/core-java-modules/pom.xml
+++ b/core-java-modules/pom.xml
@@ -110,6 +110,7 @@
         <module>core-java-perf</module>
 
         <module>core-java-reflection</module>
+        <module>core-java-reflection-2</module>
 
         <module>core-java-security</module>
         <module>core-java-security-2</module>

From 748c9cf1e450e81e80b67180cde7167de379b953 Mon Sep 17 00:00:00 2001
From: Umang Budhwar <umangbudhwar@gmail.com>
Date: Sun, 12 Jul 2020 12:28:38 +0530
Subject: [PATCH 15/18] Removed README.MD

---
 .../core-java-reflection-2/README.MD          |  3 -
 .../core-java-reflection-2/pom.xml            | 80 +++++++++----------
 2 files changed, 40 insertions(+), 43 deletions(-)
 delete mode 100644 core-java-modules/core-java-reflection-2/README.MD

diff --git a/core-java-modules/core-java-reflection-2/README.MD b/core-java-modules/core-java-reflection-2/README.MD
deleted file mode 100644
index 7658851a4d..0000000000
--- a/core-java-modules/core-java-reflection-2/README.MD
+++ /dev/null
@@ -1,3 +0,0 @@
-## Relevant Articles
-
-- [Reading the Value of 'private' Fields from a Different Class in Java](https://www.baeldung.com/)
\ No newline at end of file
diff --git a/core-java-modules/core-java-reflection-2/pom.xml b/core-java-modules/core-java-reflection-2/pom.xml
index 17cad52271..ea76ee8c98 100644
--- a/core-java-modules/core-java-reflection-2/pom.xml
+++ b/core-java-modules/core-java-reflection-2/pom.xml
@@ -1,44 +1,44 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0"
-	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
-	<modelVersion>4.0.0</modelVersion>
-	<artifactId>core-java-reflection-2</artifactId>
-	<version>0.1.0-SNAPSHOT</version>
-	<name>core-java-reflection-2</name>
-	<packaging>jar</packaging>
-	<parent>
-		<groupId>com.baeldung.core-java-modules</groupId>
-		<artifactId>core-java-modules</artifactId>
-		<version>0.0.1-SNAPSHOT</version>
-		<relativePath>../</relativePath>
-	</parent>
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <artifactId>core-java-reflection-2</artifactId>
+    <version>0.1.0-SNAPSHOT</version>
+    <name>core-java-reflection-2</name>
+    <packaging>jar</packaging>
+    <parent>
+        <groupId>com.baeldung.core-java-modules</groupId>
+        <artifactId>core-java-modules</artifactId>
+        <version>0.0.1-SNAPSHOT</version>
+        <relativePath>../</relativePath>
+    </parent>
+    
+    <build>
+        <finalName>core-java-reflection-2</finalName>
+        <resources>
+            <resource>
+                <directory>src/main/resources</directory>
+                <filtering>true</filtering>
+            </resource>
+        </resources>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <version>${maven-compiler-plugin.version}</version>
+                <configuration>
+                    <source>${source.version}</source>
+                    <target>${target.version}</target>
+                    <compilerArgument>-parameters</compilerArgument>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
 
-	<build>
-		<finalName>core-java-reflection-2</finalName>
-		<resources>
-			<resource>
-				<directory>src/main/resources</directory>
-				<filtering>true</filtering>
-			</resource>
-		</resources>
-		<plugins>
-			<plugin>
-				<groupId>org.apache.maven.plugins</groupId>
-				<artifactId>maven-compiler-plugin</artifactId>
-				<version>${maven-compiler-plugin.version}</version>
-				<configuration>
-					<source>${source.version}</source>
-					<target>${target.version}</target>
-					<compilerArgument>-parameters</compilerArgument>
-				</configuration>
-			</plugin>
-		</plugins>
-	</build>
-
-	<properties>
-		<maven-compiler-plugin.version>3.8.0</maven-compiler-plugin.version>
-		<source.version>1.8</source.version>
-		<target.version>1.8</target.version>
-	</properties>
+    <properties>
+        <maven-compiler-plugin.version>3.8.0</maven-compiler-plugin.version>
+        <source.version>1.8</source.version>
+        <target.version>1.8</target.version>
+    </properties>
 </project>
\ No newline at end of file

From 0a2f6a4615f6f751942e1f8a6da477c02a42316c Mon Sep 17 00:00:00 2001
From: Umang Budhwar <umangbudhwar@gmail.com>
Date: Fri, 24 Jul 2020 20:13:23 +0530
Subject: [PATCH 16/18] Added code to set a field using Reflection.

---
 .../reflection/set/fields/Person.java         |  87 +++++++++
 .../SetFieldsUsingReflectionUnitTest.java     | 182 ++++++++++++++++++
 2 files changed, 269 insertions(+)
 create mode 100644 core-java-modules/core-java-reflection-2/src/main/java/com/baeldung/reflection/set/fields/Person.java
 create mode 100644 core-java-modules/core-java-reflection-2/src/test/java/com/baeldung/reflection/set/fields/SetFieldsUsingReflectionUnitTest.java

diff --git a/core-java-modules/core-java-reflection-2/src/main/java/com/baeldung/reflection/set/fields/Person.java b/core-java-modules/core-java-reflection-2/src/main/java/com/baeldung/reflection/set/fields/Person.java
new file mode 100644
index 0000000000..6bdfc58d78
--- /dev/null
+++ b/core-java-modules/core-java-reflection-2/src/main/java/com/baeldung/reflection/set/fields/Person.java
@@ -0,0 +1,87 @@
+package com.baeldung.reflection.set.fields;
+
+public class Person {
+
+    private String name;
+    private byte age;
+    private short uidNumber;
+    private int pinCode;
+    private long contactNumber;
+    private float height;
+    private double weight;
+    private char gender;
+    private boolean active;
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public byte getAge() {
+        return age;
+    }
+
+    public void setAge(byte age) {
+        this.age = age;
+    }
+
+    public short getUidNumber() {
+        return uidNumber;
+    }
+
+    public void setUidNumber(short uidNumber) {
+        this.uidNumber = uidNumber;
+    }
+
+    public int getPinCode() {
+        return pinCode;
+    }
+
+    public void setPinCode(int pinCode) {
+        this.pinCode = pinCode;
+    }
+
+    public long getContactNumber() {
+        return contactNumber;
+    }
+
+    public void setContactNumber(long contactNumber) {
+        this.contactNumber = contactNumber;
+    }
+
+    public float getHeight() {
+        return height;
+    }
+
+    public void setHeight(float height) {
+        this.height = height;
+    }
+
+    public double getWeight() {
+        return weight;
+    }
+
+    public void setWeight(double weight) {
+        this.weight = weight;
+    }
+
+    public char getGender() {
+        return gender;
+    }
+
+    public void setGender(char gender) {
+        this.gender = gender;
+    }
+
+    public boolean isActive() {
+        return active;
+    }
+
+    public void setActive(boolean active) {
+        this.active = active;
+    }
+
+}
diff --git a/core-java-modules/core-java-reflection-2/src/test/java/com/baeldung/reflection/set/fields/SetFieldsUsingReflectionUnitTest.java b/core-java-modules/core-java-reflection-2/src/test/java/com/baeldung/reflection/set/fields/SetFieldsUsingReflectionUnitTest.java
new file mode 100644
index 0000000000..18a378cf07
--- /dev/null
+++ b/core-java-modules/core-java-reflection-2/src/test/java/com/baeldung/reflection/set/fields/SetFieldsUsingReflectionUnitTest.java
@@ -0,0 +1,182 @@
+package com.baeldung.reflection.set.fields;
+
+import java.lang.reflect.Field;
+
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
+
+public class SetFieldsUsingReflectionUnitTest {
+
+    @Test
+    public void whenSetIntegerFields_thenSuccess() throws Exception {
+        Person person = new Person();
+
+        Field ageField = person.getClass()
+            .getDeclaredField("age");
+        ageField.setAccessible(true);
+
+        byte age = 26;
+        ageField.setByte(person, age);
+        Assertions.assertEquals(26, person.getAge());
+
+        Field uidNumberField = person.getClass()
+            .getDeclaredField("uidNumber");
+        uidNumberField.setAccessible(true);
+
+        short uidNumber = 5555;
+        uidNumberField.setShort(person, uidNumber);
+        Assertions.assertEquals(5555, person.getUidNumber());
+
+        Field pinCodeField = person.getClass()
+            .getDeclaredField("pinCode");
+        pinCodeField.setAccessible(true);
+
+        int pinCode = 411057;
+        pinCodeField.setInt(person, pinCode);
+        Assertions.assertEquals(411057, person.getPinCode());
+
+        Field contactNumberField = person.getClass()
+            .getDeclaredField("contactNumber");
+        contactNumberField.setAccessible(true);
+
+        long contactNumber = 123456789L;
+        contactNumberField.setLong(person, contactNumber);
+        Assertions.assertEquals(123456789L, person.getContactNumber());
+
+    }
+
+    @Test
+    public void whenDoUnboxing_thenSuccess() throws Exception {
+        Person person = new Person();
+
+        Field pinCodeField = person.getClass()
+            .getDeclaredField("pinCode");
+        pinCodeField.setAccessible(true);
+
+        Integer pinCode = 411057;
+        pinCodeField.setInt(person, pinCode);
+        Assertions.assertEquals(411057, person.getPinCode());
+    }
+
+    @Test
+    public void whenDoNarrowing_thenSuccess() throws Exception {
+        Person person = new Person();
+
+        Field pinCodeField = person.getClass()
+            .getDeclaredField("pinCode");
+        pinCodeField.setAccessible(true);
+
+        Short pinCode = 4110;
+        pinCodeField.setInt(person, pinCode);
+        Assertions.assertEquals(4110, person.getPinCode());
+    }
+
+    @Test
+    public void whenSetFloatingTypeFields_thenSuccess() throws Exception {
+        Person person = new Person();
+
+        Field heightField = person.getClass()
+            .getDeclaredField("height");
+        heightField.setAccessible(true);
+
+        float height = 6.1242f;
+        heightField.setFloat(person, height);
+        Assertions.assertEquals(6.1242f, person.getHeight());
+
+        Field weightField = person.getClass()
+            .getDeclaredField("weight");
+        weightField.setAccessible(true);
+
+        double weight = 75.2564;
+        weightField.setDouble(person, weight);
+        Assertions.assertEquals(75.2564, person.getWeight());
+    }
+
+    @Test
+    public void whenSetCharacterFields_thenSuccess() throws Exception {
+        Person person = new Person();
+
+        Field genderField = person.getClass()
+            .getDeclaredField("gender");
+        genderField.setAccessible(true);
+
+        char gender = 'M';
+        genderField.setChar(person, gender);
+        Assertions.assertEquals('M', person.getGender());
+    }
+
+    @Test
+    public void whenSetBooleanFields_thenSuccess() throws Exception {
+        Person person = new Person();
+
+        Field activeField = person.getClass()
+            .getDeclaredField("active");
+        activeField.setAccessible(true);
+
+        boolean active = true;
+        activeField.setBoolean(person, active);
+        Assertions.assertTrue(person.isActive());
+    }
+
+    @Test
+    public void whenSetObjectFields_thenSuccess() throws Exception {
+        Person person = new Person();
+
+        Field nameField = person.getClass()
+            .getDeclaredField("name");
+        nameField.setAccessible(true);
+
+        String name = "Umang Budhwar";
+        nameField.set(person, name);
+        Assertions.assertEquals("Umang Budhwar", person.getName());
+    }
+
+    @Test
+    public void givenInt_whenSetStringField_thenIllegalArgumentException() throws Exception {
+        Person person = new Person();
+        Field nameField = person.getClass()
+            .getDeclaredField("name");
+        nameField.setAccessible(true);
+
+        Assertions.assertThrows(IllegalArgumentException.class, () -> nameField.setInt(person, 26));
+    }
+
+    @Test
+    public void givenInt_whenSetLongField_thenIllegalArgumentException() throws Exception {
+        Person person = new Person();
+
+        Field pinCodeField = person.getClass()
+            .getDeclaredField("pinCode");
+        pinCodeField.setAccessible(true);
+
+        long pinCode = 411057L;
+
+        Assertions.assertThrows(IllegalArgumentException.class, () -> pinCodeField.setLong(person, pinCode));
+    }
+
+    @Test
+    public void whenFieldNotSetAccessible_thenIllegalAccessException() throws Exception {
+        Person person = new Person();
+        Field nameField = person.getClass()
+            .getDeclaredField("name");
+
+        Assertions.assertThrows(IllegalAccessException.class, () -> nameField.set(person, "Umang Budhwar"));
+    }
+
+    @Test
+    public void whenAccessingWrongProperty_thenNoSuchFieldException() throws Exception {
+        Person person = new Person();
+
+        Assertions.assertThrows(NoSuchFieldException.class, () -> person.getClass()
+            .getDeclaredField("firstName"));
+    }
+
+    @Test
+    public void whenAccessingNullProperty_thenNullPointerException() throws Exception {
+        Person person = new Person();
+
+        Assertions.assertThrows(NullPointerException.class, () -> person.getClass()
+            .getDeclaredField(null));
+    }
+
+}

From 7ec5e6824e7dfcaf3022fe4a0f4bc9d43a4a497e Mon Sep 17 00:00:00 2001
From: Umang Budhwar <umangbudhwar@gmail.com>
Date: Sun, 2 Aug 2020 22:36:02 +0530
Subject: [PATCH 17/18] Refactored code to use short primitive instead of Short
 wrapper class.

---
 .../reflection/set/fields/Person.java         | 87 -------------------
 .../SetFieldsUsingReflectionUnitTest.java     |  4 +-
 2 files changed, 3 insertions(+), 88 deletions(-)
 delete mode 100644 core-java-modules/core-java-reflection-2/src/main/java/com/baeldung/reflection/set/fields/Person.java

diff --git a/core-java-modules/core-java-reflection-2/src/main/java/com/baeldung/reflection/set/fields/Person.java b/core-java-modules/core-java-reflection-2/src/main/java/com/baeldung/reflection/set/fields/Person.java
deleted file mode 100644
index 6bdfc58d78..0000000000
--- a/core-java-modules/core-java-reflection-2/src/main/java/com/baeldung/reflection/set/fields/Person.java
+++ /dev/null
@@ -1,87 +0,0 @@
-package com.baeldung.reflection.set.fields;
-
-public class Person {
-
-    private String name;
-    private byte age;
-    private short uidNumber;
-    private int pinCode;
-    private long contactNumber;
-    private float height;
-    private double weight;
-    private char gender;
-    private boolean active;
-
-    public String getName() {
-        return name;
-    }
-
-    public void setName(String name) {
-        this.name = name;
-    }
-
-    public byte getAge() {
-        return age;
-    }
-
-    public void setAge(byte age) {
-        this.age = age;
-    }
-
-    public short getUidNumber() {
-        return uidNumber;
-    }
-
-    public void setUidNumber(short uidNumber) {
-        this.uidNumber = uidNumber;
-    }
-
-    public int getPinCode() {
-        return pinCode;
-    }
-
-    public void setPinCode(int pinCode) {
-        this.pinCode = pinCode;
-    }
-
-    public long getContactNumber() {
-        return contactNumber;
-    }
-
-    public void setContactNumber(long contactNumber) {
-        this.contactNumber = contactNumber;
-    }
-
-    public float getHeight() {
-        return height;
-    }
-
-    public void setHeight(float height) {
-        this.height = height;
-    }
-
-    public double getWeight() {
-        return weight;
-    }
-
-    public void setWeight(double weight) {
-        this.weight = weight;
-    }
-
-    public char getGender() {
-        return gender;
-    }
-
-    public void setGender(char gender) {
-        this.gender = gender;
-    }
-
-    public boolean isActive() {
-        return active;
-    }
-
-    public void setActive(boolean active) {
-        this.active = active;
-    }
-
-}
diff --git a/core-java-modules/core-java-reflection-2/src/test/java/com/baeldung/reflection/set/fields/SetFieldsUsingReflectionUnitTest.java b/core-java-modules/core-java-reflection-2/src/test/java/com/baeldung/reflection/set/fields/SetFieldsUsingReflectionUnitTest.java
index 18a378cf07..8931d22160 100644
--- a/core-java-modules/core-java-reflection-2/src/test/java/com/baeldung/reflection/set/fields/SetFieldsUsingReflectionUnitTest.java
+++ b/core-java-modules/core-java-reflection-2/src/test/java/com/baeldung/reflection/set/fields/SetFieldsUsingReflectionUnitTest.java
@@ -5,6 +5,8 @@ import java.lang.reflect.Field;
 import org.junit.jupiter.api.Assertions;
 import org.junit.jupiter.api.Test;
 
+import com.baeldung.reflection.access.privatefields.Person;
+
 public class SetFieldsUsingReflectionUnitTest {
 
     @Test
@@ -66,7 +68,7 @@ public class SetFieldsUsingReflectionUnitTest {
             .getDeclaredField("pinCode");
         pinCodeField.setAccessible(true);
 
-        Short pinCode = 4110;
+        short pinCode = 4110;
         pinCodeField.setInt(person, pinCode);
         Assertions.assertEquals(4110, person.getPinCode());
     }

From a27969cc707f4883f2737027cf0240ebce2d06ae Mon Sep 17 00:00:00 2001
From: Umang Budhwar <umangbudhwar@gmail.com>
Date: Mon, 3 Aug 2020 21:01:57 +0530
Subject: [PATCH 18/18] Refactored code to use existing variables.

---
 .../SetFieldsUsingReflectionUnitTest.java     | 23 +++++++++----------
 1 file changed, 11 insertions(+), 12 deletions(-)

diff --git a/core-java-modules/core-java-reflection-2/src/test/java/com/baeldung/reflection/set/fields/SetFieldsUsingReflectionUnitTest.java b/core-java-modules/core-java-reflection-2/src/test/java/com/baeldung/reflection/set/fields/SetFieldsUsingReflectionUnitTest.java
index 8931d22160..3fe6994041 100644
--- a/core-java-modules/core-java-reflection-2/src/test/java/com/baeldung/reflection/set/fields/SetFieldsUsingReflectionUnitTest.java
+++ b/core-java-modules/core-java-reflection-2/src/test/java/com/baeldung/reflection/set/fields/SetFieldsUsingReflectionUnitTest.java
@@ -19,7 +19,7 @@ public class SetFieldsUsingReflectionUnitTest {
 
         byte age = 26;
         ageField.setByte(person, age);
-        Assertions.assertEquals(26, person.getAge());
+        Assertions.assertEquals(age, person.getAge());
 
         Field uidNumberField = person.getClass()
             .getDeclaredField("uidNumber");
@@ -27,7 +27,7 @@ public class SetFieldsUsingReflectionUnitTest {
 
         short uidNumber = 5555;
         uidNumberField.setShort(person, uidNumber);
-        Assertions.assertEquals(5555, person.getUidNumber());
+        Assertions.assertEquals(uidNumber, person.getUidNumber());
 
         Field pinCodeField = person.getClass()
             .getDeclaredField("pinCode");
@@ -35,7 +35,7 @@ public class SetFieldsUsingReflectionUnitTest {
 
         int pinCode = 411057;
         pinCodeField.setInt(person, pinCode);
-        Assertions.assertEquals(411057, person.getPinCode());
+        Assertions.assertEquals(pinCode, person.getPinCode());
 
         Field contactNumberField = person.getClass()
             .getDeclaredField("contactNumber");
@@ -43,7 +43,7 @@ public class SetFieldsUsingReflectionUnitTest {
 
         long contactNumber = 123456789L;
         contactNumberField.setLong(person, contactNumber);
-        Assertions.assertEquals(123456789L, person.getContactNumber());
+        Assertions.assertEquals(contactNumber, person.getContactNumber());
 
     }
 
@@ -57,7 +57,7 @@ public class SetFieldsUsingReflectionUnitTest {
 
         Integer pinCode = 411057;
         pinCodeField.setInt(person, pinCode);
-        Assertions.assertEquals(411057, person.getPinCode());
+        Assertions.assertEquals(pinCode, person.getPinCode());
     }
 
     @Test
@@ -70,7 +70,7 @@ public class SetFieldsUsingReflectionUnitTest {
 
         short pinCode = 4110;
         pinCodeField.setInt(person, pinCode);
-        Assertions.assertEquals(4110, person.getPinCode());
+        Assertions.assertEquals(pinCode, person.getPinCode());
     }
 
     @Test
@@ -83,7 +83,7 @@ public class SetFieldsUsingReflectionUnitTest {
 
         float height = 6.1242f;
         heightField.setFloat(person, height);
-        Assertions.assertEquals(6.1242f, person.getHeight());
+        Assertions.assertEquals(height, person.getHeight());
 
         Field weightField = person.getClass()
             .getDeclaredField("weight");
@@ -91,7 +91,7 @@ public class SetFieldsUsingReflectionUnitTest {
 
         double weight = 75.2564;
         weightField.setDouble(person, weight);
-        Assertions.assertEquals(75.2564, person.getWeight());
+        Assertions.assertEquals(weight, person.getWeight());
     }
 
     @Test
@@ -104,7 +104,7 @@ public class SetFieldsUsingReflectionUnitTest {
 
         char gender = 'M';
         genderField.setChar(person, gender);
-        Assertions.assertEquals('M', person.getGender());
+        Assertions.assertEquals(gender, person.getGender());
     }
 
     @Test
@@ -115,8 +115,7 @@ public class SetFieldsUsingReflectionUnitTest {
             .getDeclaredField("active");
         activeField.setAccessible(true);
 
-        boolean active = true;
-        activeField.setBoolean(person, active);
+        activeField.setBoolean(person, true);
         Assertions.assertTrue(person.isActive());
     }
 
@@ -130,7 +129,7 @@ public class SetFieldsUsingReflectionUnitTest {
 
         String name = "Umang Budhwar";
         nameField.set(person, name);
-        Assertions.assertEquals("Umang Budhwar", person.getName());
+        Assertions.assertEquals(name, person.getName());
     }
 
     @Test