Merge remote-tracking branch 'eugenp/master'

algorithms-sorting/README.md

@@ -4,4 +4,4 @@
 - [Merge Sort in Java](https://www.baeldung.com/java-merge-sort)
 - [Quicksort Algorithm Implementation in Java](https://www.baeldung.com/java-quicksort)
 - [Insertion Sort in Java](https://www.baeldung.com/java-insertion-sort)
-
+- [Heap Sort in Java](https://www.baeldung.com/java-heap-sort)

apache-pulsar/README.md

@@ -0,0 +1,3 @@
+### Relevant Articles: 
+
+- [Introduction to Apache Pulsar](https://www.baeldung.com/apache-pulsar)

core-java-arrays/.gitignore

@@ -0,0 +1,25 @@
+*.class
+
+0.*
+
+#folders#
+/target
+/neoDb*
+/data
+/src/main/webapp/WEB-INF/classes
+*/META-INF/*
+.resourceCache
+
+# Packaged files #
+*.jar
+*.war
+*.ear
+
+# Files generated by integration tests
+backup-pom.xml
+/bin/
+/temp
+
+#IntelliJ specific
+.idea/
+*.iml

core-java-arrays/README.md

@@ -0,0 +1,15 @@
+=========
+
+## Core Java Arrays Cookbooks and Examples
+
+### Relevant Articles: 
+- [How to Copy an Array in Java](http://www.baeldung.com/java-array-copy)
+- [Check if a Java Array Contains a Value](http://www.baeldung.com/java-array-contains-value)
+- [Initializing Arrays in Java](http://www.baeldung.com/java-initialize-array)
+- [Guide to the java.util.Arrays Class](http://www.baeldung.com/java-util-arrays)
+- [Jagged Arrays In Java](http://www.baeldung.com/java-jagged-arrays)
+- [Find Sum and Average in a Java Array](http://www.baeldung.com/java-array-sum-average)
+- [Arrays in Java: A Reference Guide](https://www.baeldung.com/java-arrays-guide)
+- [How to Invert an Array in Java](http://www.baeldung.com/java-invert-array)
+- [Array Operations in Java](http://www.baeldung.com/java-common-array-operations)
+

core-java-arrays/src/main/java/com/baeldung/array/ArrayInitializer.java

@@ -2,7 +2,7 @@ package com.baeldung.array;
 
 import java.util.Arrays;
 
-import org.apache.commons.lang.ArrayUtils;
+import org.apache.commons.lang3.ArrayUtils;
 
 public class ArrayInitializer {
 

core-java-collections/README.md

@@ -39,3 +39,14 @@
 - [Operating on and Removing an Item from Stream](https://www.baeldung.com/java-use-remove-item-stream)
 - [An Introduction to Synchronized Java Collections](https://www.baeldung.com/java-synchronized-collections)
 - [Guide to EnumSet](https://www.baeldung.com/java-enumset)
+- [Removing Elements from Java Collections](https://www.baeldung.com/java-collection-remove-elements)
+- [Converting a Collection to ArrayList in Java](https://www.baeldung.com/java-convert-collection-arraylist)
+- [Java 8 Streams: Find Items From One List Based On Values From Another List](https://www.baeldung.com/java-streams-find-list-items)
+- [Combining Different Types of Collections in Java](https://www.baeldung.com/java-combine-collections)
+- [Sorting in Java](http://www.baeldung.com/java-sorting)
+- [A Guide to the Java LinkedList](http://www.baeldung.com/java-linkedlist)
+- [Java List UnsupportedOperationException](http://www.baeldung.com/java-list-unsupported-operation-exception)
+- [Join and Split Arrays and Collections in Java](http://www.baeldung.com/java-join-and-split)
+- [Check If Two Lists are Equal in Java](http://www.baeldung.com/java-test-a-list-for-ordinality-and-equality)
+- [Java List Initialization in One Line](https://www.baeldung.com/java-init-list-one-line)
+- [ClassCastException: Arrays$ArrayList cannot be cast to ArrayList](https://www.baeldung.com/java-classcastexception-arrays-arraylist)

core-java-collections/pom.xml

@@ -56,6 +56,12 @@
             <artifactId>commons-exec</artifactId>
             <version>1.3</version>
         </dependency>
+        <dependency>
+            <groupId>org.projectlombok</groupId>
+            <artifactId>lombok</artifactId>
+            <version>${lombok.version}</version>
+            <scope>provided</scope>
+        </dependency>
     </dependencies>
 
     <properties>
@@ -67,5 +73,6 @@
         <avaitility.version>1.7.0</avaitility.version>
         <assertj.version>3.11.1</assertj.version>
         <eclipse.collections.version>7.1.0</eclipse.collections.version>
+        <lombok.version>1.16.12</lombok.version>
     </properties>
 </project>