Merge branch 'master' into BAEL-17506

akka-streams/README.md

@@ -1,3 +1,3 @@
 ### Relevant articles
 
-- [Guide to Akka Streams](http://www.baeldung.com/akka-streams)
+- [Guide to Akka Streams](https://www.baeldung.com/akka-streams)

algorithms-genetic/README.md

@@ -1,6 +1,6 @@
 ## Relevant articles:
 
-- [Introduction to Jenetics Library](http://www.baeldung.com/jenetics)
+- [Introduction to Jenetics Library](https://www.baeldung.com/jenetics)
-- [Ant Colony Optimization](http://www.baeldung.com/java-ant-colony-optimization)
+- [Ant Colony Optimization](https://www.baeldung.com/java-ant-colony-optimization)
 - [Design a Genetic Algorithm in Java](https://www.baeldung.com/java-genetic-algorithm)
 - [The Traveling Salesman Problem in Java](https://www.baeldung.com/java-simulated-annealing-for-traveling-salesman)

algorithms-miscellaneous-2/README.md

@@ -1,6 +1,6 @@
 ## Relevant articles:
 
-- [Dijkstra Algorithm in Java](https://www.baeldung.com/java-dijkstra)
+- [Dijkstra Shortest Path Algorithm in Java](https://www.baeldung.com/java-dijkstra)
 - [Introduction to Cobertura](https://www.baeldung.com/cobertura)
 - [Test a Linked List for Cyclicity](https://www.baeldung.com/java-linked-list-cyclicity)
 - [Introduction to JGraphT](https://www.baeldung.com/jgrapht)

algorithms-miscellaneous-3/README.md

@@ -2,8 +2,8 @@
 
 - [Java Two Pointer Technique](https://www.baeldung.com/java-two-pointer-technique)
 - [Implementing Simple State Machines with Java Enums](https://www.baeldung.com/java-enum-simple-state-machine)
-- [Converting Between Roman and Arabic Numerals in Java](http://www.baeldung.com/java-convert-roman-arabic)
+- [Converting Between Roman and Arabic Numerals in Java](https://www.baeldung.com/java-convert-roman-arabic)
-- [Practical Java Examples of the Big O Notation](http://www.baeldung.com/java-algorithm-complexity)
+- [Practical Java Examples of the Big O Notation](https://www.baeldung.com/java-algorithm-complexity)
 - [Checking If a List Is Sorted in Java](https://www.baeldung.com/java-check-if-list-sorted)
 - [Checking if a Java Graph has a Cycle](https://www.baeldung.com/java-graph-has-a-cycle)
 - [A Guide to the Folding Technique in Java](https://www.baeldung.com/folding-hashing-technique)

algorithms-sorting/README.md

@@ -1,9 +1,10 @@
 ## Relevant articles:
 
-- [Bubble Sort in Java](http://www.baeldung.com/java-bubble-sort)
+- [Bubble Sort in Java](https://www.baeldung.com/java-bubble-sort)
 - [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)
 - [Shell Sort in Java](https://www.baeldung.com/java-shell-sort)
 - [Counting Sort in Java](https://www.baeldung.com/java-counting-sort)
+- [Sorting Strings by Contained Numbers in Java](https://www.baeldung.com/java-sort-strings-contained-numbers)

animal-sniffer-mvn-plugin/README.md

@@ -1,3 +1,3 @@
 ## Relevant articles:
 
-[Introduction to Animal Sniffer Maven Plugin](http://www.baeldung.com/maven-animal-sniffer)
+[Introduction to Animal Sniffer Maven Plugin](https://www.baeldung.com/maven-animal-sniffer)

annotations/readme.md

@@ -1,2 +1,2 @@
 ### Relevant Articles:
-- [Java Annotation Processing and Creating a Builder](http://www.baeldung.com/java-annotation-processing-builder)
+- [Java Annotation Processing and Creating a Builder](https://www.baeldung.com/java-annotation-processing-builder)

antlr/README.md

@@ -1,3 +1,3 @@
 ### Relevant Articles: 
 
-- [Java with ANTLR](http://www.baeldung.com/java-antlr)
+- [Java with ANTLR](https://www.baeldung.com/java-antlr)

apache-avro/README.md

@@ -1,2 +1,2 @@
 ### Relevant Articles:
-- [Guide to Apache Avro](http://www.baeldung.com/java-apache-avro)
+- [Guide to Apache Avro](https://www.baeldung.com/java-apache-avro)

apache-bval/README.md

@@ -1,2 +1,2 @@
 ### Relevant Articles:
-- [Intro to Apache BVal](http://www.baeldung.com/apache-bval)
+- [Intro to Apache BVal](https://www.baeldung.com/apache-bval)

apache-curator/README.md

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

apache-cxf/README.md

@@ -1,6 +1,6 @@
 ## Relevant Articles:
-- [Introduction to Apache CXF Aegis Data Binding](http://www.baeldung.com/aegis-data-binding-in-apache-cxf)
+- [Introduction to Apache CXF Aegis Data Binding](https://www.baeldung.com/aegis-data-binding-in-apache-cxf)
-- [Apache CXF Support for RESTful Web Services](http://www.baeldung.com/apache-cxf-rest-api)
+- [Apache CXF Support for RESTful Web Services](https://www.baeldung.com/apache-cxf-rest-api)
-- [A Guide to Apache CXF with Spring](http://www.baeldung.com/apache-cxf-with-spring)
+- [A Guide to Apache CXF with Spring](https://www.baeldung.com/apache-cxf-with-spring)
-- [Introduction to Apache CXF](http://www.baeldung.com/introduction-to-apache-cxf)
+- [Introduction to Apache CXF](https://www.baeldung.com/introduction-to-apache-cxf)
 - [Server-Sent Events (SSE) In JAX-RS](https://www.baeldung.com/java-ee-jax-rs-sse)

apache-meecrowave/README.md

@@ -1,3 +1,3 @@
 ### Relevant Articles: 
 ================================
-- [Building a Microservice with Apache Meecrowave](http://www.baeldung.com/apache-meecrowave)
+- [Building a Microservice with Apache Meecrowave](https://www.baeldung.com/apache-meecrowave)

apache-olingo/README.md

@@ -1,3 +1,4 @@
 ## Relevant articles:
 
 - [OData Protocol Guide](https://www.baeldung.com/odata)
+- [Intro to OData with Olingo](https://www.baeldung.com/olingo)

apache-opennlp/README.md

@@ -1,3 +1,3 @@
 ### Relevant Articles
 
-- [Intro to Apache OpenNLP](http://www.baeldung.com/apache-open-nlp)
+- [Intro to Apache OpenNLP](https://www.baeldung.com/apache-open-nlp)

apache-poi/README.md

@@ -1,4 +1,4 @@
 ### Relevant Articles:
-- [Microsoft Word Processing in Java with Apache POI](http://www.baeldung.com/java-microsoft-word-with-apache-poi)
+- [Microsoft Word Processing in Java with Apache POI](https://www.baeldung.com/java-microsoft-word-with-apache-poi)
-- [Working with Microsoft Excel in Java](http://www.baeldung.com/java-microsoft-excel)
+- [Working with Microsoft Excel in Java](https://www.baeldung.com/java-microsoft-excel)
-- [Creating a MS PowerPoint Presentation in Java](http://www.baeldung.com/apache-poi-slideshow)
+- [Creating a MS PowerPoint Presentation in Java](https://www.baeldung.com/apache-poi-slideshow)

apache-shiro/README.md

@@ -1,2 +1,2 @@
 ### Relevant articles
-- [Introduction to Apache Shiro](http://www.baeldung.com/apache-shiro)
+- [Introduction to Apache Shiro](https://www.baeldung.com/apache-shiro)

apache-solrj/README.md

@@ -1,4 +1,4 @@
 ## Apache Solrj Tutorials Project
 
 ### Relevant Articles
-- [Guide to Solr in Java with Apache Solrj](http://www.baeldung.com/apache-solrj)
+- [Guide to Solr in Java with Apache Solrj](https://www.baeldung.com/apache-solrj)

apache-spark/README.md

@@ -1,4 +1,4 @@
 ### Relevant articles
 
-- [Introduction to Apache Spark](http://www.baeldung.com/apache-spark)
+- [Introduction to Apache Spark](https://www.baeldung.com/apache-spark)
 - [Building a Data Pipeline with Kafka, Spark Streaming and Cassandra](https://www.baeldung.com/kafka-spark-data-pipeline)

apache-thrift/README.md

@@ -1,3 +1,3 @@
 ## Relevant articles:
 
-- [Working with Apache Thrift](http://www.baeldung.com/apache-thrift)
+- [Working with Apache Thrift](https://www.baeldung.com/apache-thrift)

apache-tika/README.md

@@ -1,3 +1,3 @@
 ## Relevant articles:
 
-- [Content Analysis with Apache Tika](http://www.baeldung.com/apache-tika)
+- [Content Analysis with Apache Tika](https://www.baeldung.com/apache-tika)

apache-velocity/README.md

@@ -1,3 +1,3 @@
 ## Relevant articles:
 
-- [Introduction to Apache Velocity](http://www.baeldung.com/apache-velocity)
+- [Introduction to Apache Velocity](https://www.baeldung.com/apache-velocity)

apache-zookeeper/README.md

@@ -1,3 +1,3 @@
 ## Relevant articles:
 
-- [Getting Started with Java and Zookeeper](http://www.baeldung.com/java-zookeeper)
+- [Getting Started with Java and Zookeeper](https://www.baeldung.com/java-zookeeper)

asciidoctor/README.md

@@ -1,4 +1,4 @@
 ### Relevant articles
 
-- [Generating a Book with Asciidoctor](http://www.baeldung.com/asciidoctor-book)
+- [Generating a Book with Asciidoctor](https://www.baeldung.com/asciidoctor-book)
-- [Introduction to Asciidoctor in Java](http://www.baeldung.com/asciidoctor)
+- [Introduction to Asciidoctor in Java](https://www.baeldung.com/asciidoctor)

asm/README.md

@@ -1,3 +1,3 @@
 ### Relevant Articles:
 
-- [A Guide to Java Bytecode Manipulation with ASM](http://www.baeldung.com/java-asm)
+- [A Guide to Java Bytecode Manipulation with ASM](https://www.baeldung.com/java-asm)

atomix/README.md

@@ -1,3 +1,3 @@
 ## Relevant articles:
 
-- [Introduction to Atomix](http://www.baeldung.com/atomix)
+- [Introduction to Atomix](https://www.baeldung.com/atomix)

autovalue/README.md

@@ -1,4 +1,4 @@
 ### Relevant Articles:
-- [Introduction to AutoValue](http://www.baeldung.com/introduction-to-autovalue)
+- [Introduction to AutoValue](https://www.baeldung.com/introduction-to-autovalue)
-- [Introduction to AutoFactory](http://www.baeldung.com/autofactory)
+- [Introduction to AutoFactory](https://www.baeldung.com/autofactory)
 - [Google AutoService](https://www.baeldung.com/google-autoservice)

aws-lambda/README.md

@@ -1,3 +1,3 @@
 ### Relevant Articles: 
-- [Using AWS Lambda with API Gateway](http://www.baeldung.com/aws-lambda-api-gateway)
+- [Using AWS Lambda with API Gateway](https://www.baeldung.com/aws-lambda-api-gateway)
-- [Introduction to AWS Serverless Application Model](http://www.baeldung.com/aws-serverless)
+- [Introduction to AWS Serverless Application Model](https://www.baeldung.com/aws-serverless)

aws/README.md

@@ -1,11 +1,11 @@
 ### Relevant articles
 
-- [AWS Lambda Using DynamoDB With Java](http://www.baeldung.com/aws-lambda-dynamodb-java)
+- [AWS Lambda Using DynamoDB With Java](https://www.baeldung.com/aws-lambda-dynamodb-java)
-- [AWS S3 with Java](http://www.baeldung.com/aws-s3-java)
+- [AWS S3 with Java](https://www.baeldung.com/aws-s3-java)
-- [AWS Lambda With Java](http://www.baeldung.com/java-aws-lambda)
+- [AWS Lambda With Java](https://www.baeldung.com/java-aws-lambda)
-- [Managing EC2 Instances in Java](http://www.baeldung.com/ec2-java)
+- [Managing EC2 Instances in Java](https://www.baeldung.com/ec2-java)
-- [Multipart Uploads in Amazon S3 with Java](http://www.baeldung.com/aws-s3-multipart-upload)
+- [Multipart Uploads in Amazon S3 with Java](https://www.baeldung.com/aws-s3-multipart-upload)
-- [Integration Testing with a Local DynamoDB Instance](http://www.baeldung.com/dynamodb-local-integration-tests)
+- [Integration Testing with a Local DynamoDB Instance](https://www.baeldung.com/dynamodb-local-integration-tests)
-- [Using the JetS3t Java Client With Amazon S3](http://www.baeldung.com/jets3t-amazon-s3)
+- [Using the JetS3t Java Client With Amazon S3](https://www.baeldung.com/jets3t-amazon-s3)
-- [Managing Amazon SQS Queues in Java](http://www.baeldung.com/aws-queues-java)
+- [Managing Amazon SQS Queues in Java](https://www.baeldung.com/aws-queues-java)
 - [Guide to AWS Aurora RDS with Java](https://www.baeldung.com/aws-aurora-rds-java)

axon/README.md

@@ -1,3 +1,3 @@
 ### Relevant articles
 
-- [A Guide to the Axon Framework](http://www.baeldung.com/axon-cqrs-event-sourcing)
+- [A Guide to the Axon Framework](https://www.baeldung.com/axon-cqrs-event-sourcing)

azure/README.md

@@ -1,4 +1,4 @@
 ### Relevant Articles:
 
-- [Deploy a Spring Boot App to Azure](http://www.baeldung.com/spring-boot-azure)
+- [Deploy a Spring Boot App to Azure](https://www.baeldung.com/spring-boot-azure)
 

blade/README.md

@@ -1,5 +1,5 @@
 ### Relevant Articles: 
 
-- [Blade – A Complete Guidebook](http://www.baeldung.com/blade) 
+- [Blade – A Complete Guidebook](https://www.baeldung.com/blade) 
 
 Run Integration Tests with `mvn integration-test`

bootique/README.md

@@ -1,2 +1,2 @@
 ### Relevant Articles:
-- [Introduction to Bootique](http://www.baeldung.com/bootique)
+- [Introduction to Bootique](https://www.baeldung.com/bootique)

cdi/README.md

@@ -1,5 +1,5 @@
 ### Relevant Articles:
-- [CDI Interceptor vs Spring AspectJ](http://www.baeldung.com/cdi-interceptor-vs-spring-aspectj)
+- [CDI Interceptor vs Spring AspectJ](https://www.baeldung.com/cdi-interceptor-vs-spring-aspectj)
-- [An Introduction to CDI (Contexts and Dependency Injection) in Java](http://www.baeldung.com/java-ee-cdi)
+- [An Introduction to CDI (Contexts and Dependency Injection) in Java](https://www.baeldung.com/java-ee-cdi)
 - [Introduction to the Event Notification Model in CDI 2.0](https://www.baeldung.com/cdi-event-notification)
 

cdi/src/main/java/com/baeldung/cdi2observers/application/BootstrappingApplication.java

@@ -1,6 +1,7 @@
-package com.baeldung.cdi.cdi2observers.application;
+package com.baeldung.cdi2observers.application;
+
+import com.baeldung.cdi2observers.events.ExampleEvent;
 
-import com.baeldung.cdi.cdi2observers.events.ExampleEvent;
 import javax.enterprise.inject.se.SeContainer;
 import javax.enterprise.inject.se.SeContainerInitializer;
 

cdi/src/main/java/com/baeldung/cdi2observers/events/ExampleEvent.java

@@ -1,4 +1,4 @@
-package com.baeldung.cdi.cdi2observers.events;
+package com.baeldung.cdi2observers.events;
 
 public class ExampleEvent {
     

cdi/src/main/java/com/baeldung/cdi2observers/events/ExampleEventSource.java

@@ -1,4 +1,4 @@
-package com.baeldung.cdi.cdi2observers.events;
+package com.baeldung.cdi2observers.events;
 
 import javax.enterprise.event.Event;
 import javax.inject.Inject;

cdi/src/main/java/com/baeldung/cdi2observers/observers/AnotherExampleEventObserver.java

@@ -1,6 +1,7 @@
-package com.baeldung.cdi.cdi2observers.observers;
+package com.baeldung.cdi2observers.observers;
+
+import com.baeldung.cdi2observers.events.ExampleEvent;
 
-import com.baeldung.cdi.cdi2observers.events.ExampleEvent;
 import javax.annotation.Priority;
 import javax.enterprise.event.Observes;
 

cdi/src/main/java/com/baeldung/cdi2observers/observers/ExampleEventObserver.java

@@ -1,7 +1,7 @@
-package com.baeldung.cdi.cdi2observers.observers;
+package com.baeldung.cdi2observers.observers;
 
-import com.baeldung.cdi.cdi2observers.events.ExampleEvent;
+import com.baeldung.cdi2observers.events.ExampleEvent;
-import com.baeldung.cdi.cdi2observers.services.TextService;
+import com.baeldung.cdi2observers.services.TextService;
 import javax.annotation.Priority;
 import javax.enterprise.event.Observes;
 

cdi/src/main/java/com/baeldung/cdi2observers/services/TextService.java

@@ -1,4 +1,4 @@
-package com.baeldung.cdi.cdi2observers.services;
+package com.baeldung.cdi2observers.services;
 
 public class TextService {
 

cdi/src/main/resources/META-INF/beans.xml

@@ -1,7 +1,8 @@
-<beans xmlns="http://java.sun.com/xml/ns/javaee"
+<?xml version="1.0" encoding="UTF-8"?>
+<beans xmlns="http://xmlns.jcp.org/xml/ns/javaee"
        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-       xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
+       xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/beans_1_1.xsd"
-      http://java.sun.com/xml/ns/javaee/beans_1_2.xsd">
+       bean-discovery-mode="all">
     <interceptors>
         <class>com.baeldung.interceptor.AuditedInterceptor</class>
     </interceptors>

cdi/src/test/java/com/baeldung/test/cdi2observers/tests/TextServiceUnitTest.java

@@ -1,9 +1,10 @@
-package com.baeldung.cdi.cdi2observers.tests;
+package com.baeldung.test.cdi2observers.tests;
 
-import com.baeldung.cdi.cdi2observers.services.TextService;
+import com.baeldung.cdi2observers.services.TextService;
-import static org.assertj.core.api.Assertions.assertThat;
 import org.junit.Test;
 
+import static org.assertj.core.api.Assertions.assertThat;
+
 public class TextServiceUnitTest {
 
     @Test

cdi/src/test/java/com/baeldung/test/dependencyinjection/TimeLoggerFactoryUnitTest.java

@@ -6,7 +6,6 @@ import static org.assertj.core.api.Assertions.assertThat;
 import org.junit.Test;
 
 public class TimeLoggerFactoryUnitTest {
-    
     @Test
     public void givenTimeLoggerFactory_whenCalledgetTimeLogger_thenOneAssertion() {
         TimeLoggerFactory timeLoggerFactory = new TimeLoggerFactory();

checker-plugin/README.md

@@ -1,3 +1,3 @@
 ### Relevant articles
 
-- [The Checker Framework – Pluggable Type Systems for Java](http://www.baeldung.com/checker-framework)
+- [The Checker Framework – Pluggable Type Systems for Java](https://www.baeldung.com/checker-framework)

core-groovy-2/README.md

@@ -2,10 +2,10 @@
 
 ## Relevant articles:
 
-- [String Matching in Groovy](http://www.baeldung.com/)
 - [Template Engines in Groovy](https://www.baeldung.com/groovy-template-engines)
 - [Groovy def Keyword](https://www.baeldung.com/groovy-def-keyword)
 - [Pattern Matching in Strings in Groovy](https://www.baeldung.com/groovy-pattern-matching)
 - [Working with XML in Groovy](https://www.baeldung.com/groovy-xml)
 - [Integrating Groovy into Java Applications](https://www.baeldung.com/groovy-java-applications)
 - [Concatenate Strings with Groovy](https://www.baeldung.com/groovy-concatenate-strings)
+- [Metaprogramming in Groovy](https://www.baeldung.com/groovy-metaprogramming)

core-groovy/README.md

@@ -2,8 +2,8 @@
 
 ## Relevant articles:
 
-- [JDBC with Groovy](http://www.baeldung.com/jdbc-groovy)
+- [JDBC with Groovy](https://www.baeldung.com/jdbc-groovy)
-- [Working with JSON in Groovy](http://www.baeldung.com/groovy-json)
+- [Working with JSON in Groovy](https://www.baeldung.com/groovy-json)
 - [Reading a File in Groovy](https://www.baeldung.com/groovy-file-read)
 - [Types of Strings in Groovy](https://www.baeldung.com/groovy-strings)
 - [A Quick Guide to Iterating a Map in Groovy](https://www.baeldung.com/groovy-map-iterating)

core-java-modules/core-java-8-2/README.md

@@ -5,6 +5,6 @@
 ### Relevant Articles: 
 - [Anonymous Classes in Java](http://www.baeldung.com/)
 - [How to Delay Code Execution in Java](https://www.baeldung.com/java-delay-code-execution)
-- [Run JAR Application With Command Line Arguments](https://www.baeldung.com/java-run-jar-with-arguments)
+- [Run a Java Application from the Command Line](https://www.baeldung.com/java-run-jar-with-arguments)
 - [Java 8 Stream skip() vs limit()](https://www.baeldung.com/java-stream-skip-vs-limit)
 - [Guide to Java BiFunction Interface](https://www.baeldung.com/java-bifunction-interface)

core-java-modules/core-java-arrays-2/README.MD

@@ -7,3 +7,4 @@
 - [Array Operations in Java](https://www.baeldung.com/java-common-array-operations)
 - [Intersection Between two Integer Arrays](https://www.baeldung.com/java-array-intersection)
 - [Removing an Element from an Array in Java](https://www.baeldung.com/java-array-remove-element)
+- [Removing the First Element of an Array](https://www.baeldung.com/java-array-remove-first-element)

core-java-modules/core-java-arrays-2/src/test/java/com/baeldung/array/removefirst/RemoveFirstElementUnitTest.java

@@ -1,4 +1,4 @@
-package com.baeldung.list.removefirst;
+package com.baeldung.array.removefirst;
 
 import static org.hamcrest.MatcherAssert.assertThat;
 import static org.hamcrest.Matchers.*;

core-java-modules/core-java-arrays/README.md

@@ -10,6 +10,7 @@
 - [Multi-Dimensional Arrays In Java](https://www.baeldung.com/java-jagged-arrays)
 - [Find Sum and Average in a Java Array](https://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](https://www.baeldung.com/java-invert-array)
+- [Read and Write User Input in Java](https://www.baeldung.com/java-console-input-output)
+- [How to Reverse an Array in Java](http://www.baeldung.com/java-invert-array)
 - [Sorting Arrays in Java](https://www.baeldung.com/java-sorting-arrays)
 - [Checking If an Array Is Sorted in Java](https://www.baeldung.com/java-check-sorted-array)

core-java-modules/core-java-collections-2/README.md

@@ -0,0 +1,15 @@
+=========
+
+## Core Java Collections Cookbooks and Examples
+
+### Relevant Articles: 
+- [Removing Elements from Java Collections](https://www.baeldung.com/java-collection-remove-elements)
+- [How to Filter a Collection in Java](https://www.baeldung.com/java-collection-filtering)
+- [Join and Split Arrays and Collections in Java](https://www.baeldung.com/java-join-and-split)
+- [Java – Combine Multiple Collections](https://www.baeldung.com/java-combine-multiple-collections)
+- [Combining Different Types of Collections in Java](https://www.baeldung.com/java-combine-collections)
+- [Shuffling Collections In Java](https://www.baeldung.com/java-shuffle-collection)
+- [Sorting in Java](https://www.baeldung.com/java-sorting)
+- [Getting the Size of an Iterable in Java](https://www.baeldung.com/java-iterable-size)
+- [Java Null-Safe Streams from Collections](https://www.baeldung.com/java-null-safe-streams-from-collections)
+

core-java-modules/core-java-collections-2/pom.xml

@@ -0,0 +1,58 @@
+<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-collections-2</artifactId>
+    <version>0.0.1-SNAPSHOT</version>
+    <name>core-java-collections-2</name>
+    <packaging>jar</packaging>
+
+    <parent>
+        <groupId>com.baeldung</groupId>
+        <artifactId>parent-java</artifactId>
+        <version>0.0.1-SNAPSHOT</version>
+        <relativePath>../../parent-java</relativePath>
+    </parent>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.eclipse.collections</groupId>
+            <artifactId>eclipse-collections</artifactId>
+            <version>${eclipse.collections.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.commons</groupId>
+            <artifactId>commons-collections4</artifactId>
+            <version>${commons-collections4.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.commons</groupId>
+            <artifactId>commons-exec</artifactId>
+            <version>${commons-exec.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.commons</groupId>
+            <artifactId>commons-lang3</artifactId>
+            <version>${commons-lang3.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.assertj</groupId>
+            <artifactId>assertj-core</artifactId>
+            <version>${assertj.version}</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.junit.platform</groupId>
+            <artifactId>junit-platform-runner</artifactId>
+            <version>${junit.platform.version}</version>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+
+    <properties>
+        <eclipse.collections.version>7.1.0</eclipse.collections.version>
+        <commons-collections4.version>4.1</commons-collections4.version>
+        <assertj.version>3.11.1</assertj.version>
+        <junit.platform.version>1.2.0</junit.platform.version>
+        <commons-exec.version>1.3</commons-exec.version>
+    </properties>
+</project>

core-java-modules/core-java-collections-2/src/main/java/com/baeldung/collections/combiningcollections/CombiningArrays.java

@@ -1,4 +1,4 @@
-package com.baeldung.combiningcollections;
+package com.baeldung.collections.combiningcollections;
 
 import java.util.Arrays;
 import java.util.stream.Stream;

core-java-modules/core-java-collections-2/src/main/java/com/baeldung/collections/combiningcollections/CombiningLists.java

@@ -1,4 +1,4 @@
-package com.baeldung.combiningcollections;
+package com.baeldung.collections.combiningcollections;
 
 import java.util.ArrayList;
 import java.util.Collection;

core-java-modules/core-java-collections-2/src/main/java/com/baeldung/collections/combiningcollections/CombiningMaps.java

@@ -1,4 +1,4 @@
-package com.baeldung.combiningcollections;
+package com.baeldung.collections.combiningcollections;
 
 import java.util.Collection;
 import java.util.HashMap;

core-java-modules/core-java-collections-2/src/main/java/com/baeldung/collections/combiningcollections/CombiningSets.java

@@ -1,4 +1,4 @@
-package com.baeldung.combiningcollections;
+package com.baeldung.collections.combiningcollections;
 
 import java.util.Collection;
 import java.util.HashSet;

core-java-modules/core-java-collections-2/src/main/java/com/baeldung/collections/filtering/CollectionUtilsCollectionFilter.java

@@ -1,4 +1,4 @@
-package com.baeldung.java.filtering;
+package com.baeldung.collections.filtering;
 
 import java.util.Collection;
 

core-java-modules/core-java-collections-2/src/main/java/com/baeldung/collections/filtering/EclipseCollectionsCollectionFilter.java

@@ -1,4 +1,4 @@
-package com.baeldung.java.filtering;
+package com.baeldung.collections.filtering;
 
 import java.util.Collection;
 

core-java-modules/core-java-collections-2/src/main/java/com/baeldung/collections/filtering/GuavaCollectionFilter.java

@@ -1,4 +1,4 @@
-package com.baeldung.java.filtering;
+package com.baeldung.collections.filtering;
 
 import java.util.Collection;
 

core-java-modules/core-java-collections-2/src/main/java/com/baeldung/collections/filtering/StreamsCollectionFilter.java

@@ -1,4 +1,4 @@
-package com.baeldung.java.filtering;
+package com.baeldung.collections.filtering;
 
 import java.util.Collection;
 import java.util.function.Predicate;

core-java-modules/core-java-collections-2/src/main/java/com/baeldung/collections/iterablesize/IterableSize.java

@@ -1,4 +1,4 @@
-package com.baeldung.java.iterable;
+package com.baeldung.collections.iterablesize;
 
 import java.util.Collection;
 import java.util.stream.StreamSupport;

core-java-modules/core-java-collections-2/src/main/java/com/baeldung/collections/nullsafecollectionstreams/NullSafeCollectionStreamsUsingCommonsEmptyIfNull.java

@@ -1,4 +1,4 @@
-package com.baeldung.nullsafecollectionstreams;
+package com.baeldung.collections.nullsafecollectionstreams;
 
 import java.util.Collection;
 import java.util.stream.Stream;

core-java-modules/core-java-collections-2/src/main/java/com/baeldung/collections/nullsafecollectionstreams/NullSafeCollectionStreamsUsingJava8OptionalContainer.java

@@ -1,4 +1,4 @@
-package com.baeldung.nullsafecollectionstreams;
+package com.baeldung.collections.nullsafecollectionstreams;
 
 import java.util.Collection;
 import java.util.Optional;

core-java-modules/core-java-collections-2/src/main/java/com/baeldung/collections/nullsafecollectionstreams/NullSafeCollectionStreamsUsingNullDereferenceCheck.java

@@ -1,4 +1,4 @@
-package com.baeldung.nullsafecollectionstreams;
+package com.baeldung.collections.nullsafecollectionstreams;
 
 import java.util.Collection;
 import java.util.stream.Stream;

core-java-modules/core-java-collections-2/src/main/java/com/baeldung/collections/removal/CollectionRemoveIf.java

@@ -1,4 +1,4 @@
-package com.baeldung.removal;
+package com.baeldung.collections.removal;
 
 import java.util.ArrayList;
 import java.util.Collection;

core-java-modules/core-java-collections-2/src/main/java/com/baeldung/collections/removal/Iterators.java

@@ -1,4 +1,4 @@
-package com.baeldung.removal;
+package com.baeldung.collections.removal;
 
 import java.util.ArrayList;
 import java.util.Collection;

core-java-modules/core-java-collections-2/src/main/java/com/baeldung/collections/removal/StreamFilterAndCollector.java

@@ -1,4 +1,4 @@
-package com.baeldung.removal;
+package com.baeldung.collections.removal;
 
 import java.util.ArrayList;
 import java.util.Collection;

core-java-modules/core-java-collections-2/src/main/java/com/baeldung/collections/removal/StreamPartitioningBy.java

@@ -1,4 +1,4 @@
-package com.baeldung.removal;
+package com.baeldung.collections.removal;
 
 import java.util.ArrayList;
 import java.util.Collection;

core-java-modules/core-java-collections-2/src/test/java/com/baeldung/collections/combiningcollections/CombiningArraysUnitTest.java

@@ -1,4 +1,4 @@
-package com.baeldung.combiningcollections;
+package com.baeldung.collections.combiningcollections;
 
 import static org.junit.Assert.*;
 import org.junit.Test;

core-java-modules/core-java-collections-2/src/test/java/com/baeldung/collections/combiningcollections/CombiningListsUnitTest.java

@@ -1,4 +1,4 @@
-package com.baeldung.combiningcollections;
+package com.baeldung.collections.combiningcollections;
 
 import static org.hamcrest.CoreMatchers.is;
 import static org.junit.Assert.assertThat;

core-java-modules/core-java-collections-2/src/test/java/com/baeldung/collections/combiningcollections/CombiningMapsUnitTest.java

@@ -1,4 +1,4 @@
-package com.baeldung.combiningcollections;
+package com.baeldung.collections.combiningcollections;
 
 import static org.hamcrest.CoreMatchers.is;
 import static org.junit.Assert.assertThat;

core-java-modules/core-java-collections-2/src/test/java/com/baeldung/collections/combiningcollections/CombiningSetsUnitTest.java

@@ -1,5 +1,5 @@
 
-package com.baeldung.combiningcollections;
+package com.baeldung.collections.combiningcollections;
 
 import static org.hamcrest.CoreMatchers.is;
 import static org.junit.Assert.assertThat;

core-java-modules/core-java-collections-2/src/test/java/com/baeldung/collections/filtering/CollectionFiltersUnitTest.java

@@ -1,4 +1,4 @@
-package com.baeldung.java.filtering;
+package com.baeldung.collections.filtering;
 
 import static org.assertj.core.api.Assertions.assertThat;
 

core-java-modules/core-java-collections-2/src/test/java/com/baeldung/collections/iterablesize/IterableSizeUnitTest.java

@@ -1,4 +1,4 @@
-package com.baeldung.java.iterable;
+package com.baeldung.collections.iterablesize;
 
 import static org.junit.Assert.assertEquals;
 

core-java-modules/core-java-collections-2/src/test/java/com/baeldung/collections/joinsplit/CollectionsJoinAndSplitJUnitTest.java

@@ -1,4 +1,4 @@
-package org.baeldung.java.collections;
+package com.baeldung.collections.joinsplit;
 
 import java.util.ArrayList;
 import java.util.Collections;

core-java-modules/core-java-collections-2/src/test/java/com/baeldung/collections/joinsplit/JoinSplitCollectionsUnitTest.java

@@ -1,4 +1,4 @@
-package org.baeldung.java.collections;
+package com.baeldung.collections.joinsplit;
 
 import org.junit.Test;
 

core-java-modules/core-java-collections-2/src/test/java/com/baeldung/collections/multiplecollections/CombineMultipleCollectionsUnitTest.java

@@ -1,4 +1,4 @@
-package org.baeldung.java.collections;
+package com.baeldung.collections.multiplecollections;
 
 import com.google.common.collect.Iterables;
 import com.google.common.collect.Lists;
@@ -14,7 +14,7 @@ import java.util.stream.Stream;
 
 import static java.util.Arrays.asList;
 
-public class CollectionsConcatenateUnitTest {
+public class CombineMultipleCollectionsUnitTest {
 
     @Test
     public void givenUsingJava8_whenConcatenatingUsingConcat_thenCorrect() {

core-java-modules/core-java-collections-2/src/test/java/com/baeldung/collections/nullsafecollectionstreams/NullSafeCollectionStreamsUsingCommonsEmptyIfNullUnitTest.java

@@ -1,4 +1,4 @@
-package com.baeldung.nullsafecollectionstreams;
+package com.baeldung.collections.nullsafecollectionstreams;
 
 import java.util.Arrays;
 import java.util.Collection;

core-java-modules/core-java-collections-2/src/test/java/com/baeldung/collections/nullsafecollectionstreams/NullSafeCollectionStreamsUsingJava8OptionalContainerUnitTest.java

@@ -1,4 +1,4 @@
-package com.baeldung.nullsafecollectionstreams;
+package com.baeldung.collections.nullsafecollectionstreams;
 
 import java.util.Arrays;
 import java.util.Collection;

core-java-modules/core-java-collections-2/src/test/java/com/baeldung/collections/nullsafecollectionstreams/NullSafeCollectionStreamsUsingNullDereferenceCheckUnitTest.java

@@ -1,4 +1,4 @@
-package com.baeldung.nullsafecollectionstreams;
+package com.baeldung.collections.nullsafecollectionstreams;
 
 import java.util.Arrays;
 import java.util.Collection;

core-java-modules/core-java-collections-2/src/test/java/com/baeldung/collections/removal/RemovalUnitTest.java

@@ -1,4 +1,4 @@
-package com.baeldung.removal;
+package com.baeldung.collections.removal;
 
 import org.junit.Before;
 import org.junit.Test;

core-java-modules/core-java-collections-2/src/test/java/com/baeldung/collections/shufflingcollections/ShufflingCollectionsUnitTest.java

@@ -1,4 +1,4 @@
-package com.baeldung.shufflingcollections;
+package com.baeldung.collections.shufflingcollections;
 
 import org.junit.Test;
 

core-java-modules/core-java-collections-2/src/test/java/com/baeldung/collections/sorting/Employee.java

@@ -1,4 +1,4 @@
-package org.baeldung.java.sorting;
+package com.baeldung.collections.sorting;
 
 public class Employee implements Comparable {
 

core-java-modules/core-java-collections-2/src/test/java/com/baeldung/collections/sorting/JavaSortingUnitTest.java

@@ -1,4 +1,4 @@
-package org.baeldung.java.sorting;
+package com.baeldung.collections.sorting;
 
 import com.google.common.primitives.Ints;
 import org.apache.commons.lang3.ArrayUtils;

core-java-modules/core-java-collections-3/README.md

@@ -0,0 +1,11 @@
+=========
+
+## Core Java Collections Cookbooks and Examples
+
+### Relevant Articles: 
+- [Time Comparison of Arrays.sort(Object[]) and Arrays.sort(int[])](https://www.baeldung.com/arrays-sortobject-vs-sortint)
+- [Java ArrayList vs Vector](https://www.baeldung.com/java-arraylist-vs-vector)
+- [Differences Between HashMap and Hashtable](https://www.baeldung.com/hashmap-hashtable-differences)
+- [Differences Between Collection.clear() and Collection.removeAll()](https://www.baeldung.com/java-collection-clear-vs-removeall)
+- [Performance of contains() in a HashSet vs ArrayList](https://www.baeldung.com/java-hashset-arraylist-contains-performance)
+- [Fail-Safe Iterator vs Fail-Fast Iterator](https://www.baeldung.com/java-fail-safe-vs-fail-fast-iterator)

core-java-modules/core-java-collections-3/pom.xml

@@ -0,0 +1,34 @@
+<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-collections-3</artifactId>
+    <version>0.1.0-SNAPSHOT</version>
+    <name>core-java-collections-3</name>
+    <packaging>jar</packaging>
+
+    <parent>
+        <groupId>com.baeldung</groupId>
+        <artifactId>parent-java</artifactId>
+        <version>0.0.1-SNAPSHOT</version>
+        <relativePath>../../parent-java</relativePath>
+    </parent>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.openjdk.jmh</groupId>
+            <artifactId>jmh-core</artifactId>
+            <version>${openjdk.jmh.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.assertj</groupId>
+            <artifactId>assertj-core</artifactId>
+            <version>${assertj.version}</version>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+
+    <properties>
+        <openjdk.jmh.version>1.19</openjdk.jmh.version>
+        <assertj.version>3.11.1</assertj.version>
+    </properties>
+</project>

core-java-modules/core-java-collections-3/src/main/java/com/baeldung/collections/arraylistvsvector/ArrayListBenchmark.java

@@ -1,4 +1,4 @@
-package com.baeldung.performance;
+package com.baeldung.collections.arraylistvsvector;
 
 import org.openjdk.jmh.annotations.*;
 import org.openjdk.jmh.runner.Runner;

core-java-modules/core-java-collections-3/src/main/java/com/baeldung/collections/arraylistvsvector/Employee.java

@@ -0,0 +1,55 @@
+package com.baeldung.collections.arraylistvsvector;
+
+public class Employee {
+
+    private Long id;
+    private String name;
+
+    public Employee(Long id, String name) {
+        this.name = name;
+        this.id = id;
+    }
+
+    public Long getId() {
+        return id;
+    }
+
+    public void setId(Long id) {
+        this.id = id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+
+        Employee employee = (Employee) o;
+
+        if (!id.equals(employee.id)) return false;
+        return name.equals(employee.name);
+
+    }
+
+    @Override
+    public int hashCode() {
+        int result = id.hashCode();
+        result = 31 * result + name.hashCode();
+        return result;
+    }
+
+    @Override
+    public String toString() {
+        return "Employee{" +
+                "id=" + id +
+                ", name='" + name + '\'' +
+                '}';
+    }
+}

core-java-modules/core-java-collections-3/src/main/java/com/baeldung/collections/arraylistvsvector/VectorExample.java

@@ -1,4 +1,4 @@
-package com.baeldung.java.list;
+package com.baeldung.collections.arraylistvsvector;
 
 import java.util.Enumeration;
 import java.util.Iterator;

core-java-modules/core-java-collections-3/src/main/java/com/baeldung/collections/containsperformance/CollectionsBenchmark.java

@@ -1,4 +1,4 @@
-package com.baeldung.performance;
+package com.baeldung.collections.containsperformance;
 
 import org.openjdk.jmh.annotations.*;
 import org.openjdk.jmh.runner.Runner;

core-java-modules/core-java-collections-3/src/main/java/com/baeldung/collections/containsperformance/Employee.java

@@ -0,0 +1,55 @@
+package com.baeldung.collections.containsperformance;
+
+public class Employee {
+
+    private Long id;
+    private String name;
+
+    public Employee(Long id, String name) {
+        this.name = name;
+        this.id = id;
+    }
+
+    public Long getId() {
+        return id;
+    }
+
+    public void setId(Long id) {
+        this.id = id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+
+        Employee employee = (Employee) o;
+
+        if (!id.equals(employee.id)) return false;
+        return name.equals(employee.name);
+
+    }
+
+    @Override
+    public int hashCode() {
+        int result = id.hashCode();
+        result = 31 * result + name.hashCode();
+        return result;
+    }
+
+    @Override
+    public String toString() {
+        return "Employee{" +
+                "id=" + id +
+                ", name='" + name + '\'' +
+                '}';
+    }
+}

core-java-modules/core-java-collections-3/src/main/java/com/baeldung/collections/iterators/Iterators.java

@@ -1,4 +1,4 @@
-package com.baeldung.iterators;
+package com.baeldung.collections.iterators;
 
 import java.util.ArrayList;
 import java.util.Iterator;

core-java-modules/core-java-collections-3/src/main/java/com/baeldung/collections/sortingcomparison/ArraySortBenchmark.java

@@ -1,4 +1,4 @@
-package com.baeldung.performance;
+package com.baeldung.collections.sortingcomparison;
 
 import java.util.Arrays;
 import java.util.concurrent.TimeUnit;

core-java-modules/core-java-collections-3/src/main/java/com/baeldung/collections/sortingcomparison/CollectionsSortCompare.java

@@ -1,4 +1,4 @@
-package com.baeldung.java.sort;
+package com.baeldung.collections.sortingcomparison;
 
 import java.util.ArrayList;
 import java.util.Arrays;

core-java-modules/core-java-collections-3/src/test/java/com/baeldung/collections/clearvsremoveall/ClearVsRemoveAllUnitTest.java

@@ -1,4 +1,4 @@
-package com.baeldung.collection;
+package com.baeldung.collections.clearvsremoveall;
 
 import org.junit.jupiter.api.Test;
 

core-java-modules/core-java-collections-3/src/test/java/com/baeldung/collections/hashmapvshashtable/HashmapVsHashtableDifferenceUnitTest.java

@@ -1,4 +1,4 @@
-package com.baeldung.hashmapvshashtable;
+package com.baeldung.collections.hashmapvshashtable;
 
 import static org.junit.Assert.assertEquals;
 

core-java-modules/core-java-collections-3/src/test/java/com/baeldung/collections/iterators/IteratorsUnitTest.java

@@ -1,8 +1,8 @@
-package com.baeldung.iterators;
+package com.baeldung.collections.iterators;
 
-import static com.baeldung.iterators.Iterators.failFast1;
+import static com.baeldung.collections.iterators.Iterators.failFast1;
-import static com.baeldung.iterators.Iterators.failFast2;
+import static com.baeldung.collections.iterators.Iterators.failFast2;
-import static com.baeldung.iterators.Iterators.failSafe1;
+import static com.baeldung.collections.iterators.Iterators.failSafe1;
 import static org.assertj.core.api.Assertions.assertThat;
 import static org.assertj.core.api.Assertions.assertThatThrownBy;
 

core-java-modules/core-java-collections/README.md

@@ -3,29 +3,13 @@
 ## Core Java Collections Cookbooks and Examples
 
 ### Relevant Articles: 
-- [Java – Combine Multiple Collections](http://www.baeldung.com/java-combine-multiple-collections)
+- [Collect a Java Stream to an Immutable Collection](https://www.baeldung.com/java-stream-immutable-collection)
-- [Collect a Java Stream to an Immutable Collection](http://www.baeldung.com/java-stream-immutable-collection)
+- [Introduction to the Java ArrayDeque](https://www.baeldung.com/java-array-deque)
-- [Introduction to the Java ArrayDeque](http://www.baeldung.com/java-array-deque)
+- [An Introduction to Java.util.Hashtable Class](https://www.baeldung.com/java-hash-table)
-- [Getting the Size of an Iterable in Java](http://www.baeldung.com/java-iterable-size)
-- [How to Filter a Collection in Java](http://www.baeldung.com/java-collection-filtering)
-- [Removing the First Element of an Array](https://www.baeldung.com/java-array-remove-first-element)
-- [Fail-Safe Iterator vs Fail-Fast Iterator](http://www.baeldung.com/java-fail-safe-vs-fail-fast-iterator)
-- [Shuffling Collections In Java](http://www.baeldung.com/java-shuffle-collection)
-- [An Introduction to Java.util.Hashtable Class](http://www.baeldung.com/java-hash-table)
-- [Java Null-Safe Streams from Collections](https://www.baeldung.com/java-null-safe-streams-from-collections)
 - [Thread Safe LIFO Data Structure Implementations](https://www.baeldung.com/java-lifo-thread-safe)
-- [Differences Between Collection.clear() and Collection.removeAll()](https://www.baeldung.com/java-collection-clear-vs-removeall)
-- [Performance of contains() in a HashSet vs ArrayList](https://www.baeldung.com/java-hashset-arraylist-contains-performance)
 - [Time Complexity of Java Collections](https://www.baeldung.com/java-collections-complexity)
-- [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)
-- [Removing Elements from Java Collections](https://www.baeldung.com/java-collection-remove-elements)
-- [Combining Different Types of Collections in Java](https://www.baeldung.com/java-combine-collections)
-- [Sorting in Java](http://www.baeldung.com/java-sorting)
-- [Join and Split Arrays and Collections in Java](http://www.baeldung.com/java-join-and-split)
 - [A Guide to EnumMap](https://www.baeldung.com/java-enum-map)
-- [A Guide to Iterator in Java](http://www.baeldung.com/java-iterator)
+- [A Guide to Iterator in Java](https://www.baeldung.com/java-iterator)
-- [Differences Between HashMap and Hashtable](https://www.baeldung.com/hashmap-hashtable-differences)
-- [Java ArrayList vs Vector](https://www.baeldung.com/java-arraylist-vs-vector)
 - [Defining a Char Stack in Java](https://www.baeldung.com/java-char-stack)
-- [Time Comparison of Arrays.sort(Object[]) and Arrays.sort(int[])](https://www.baeldung.com/arrays-sortobject-vs-sortint)
+- [Guide to the Java Queue Interface](https://www.baeldung.com/java-queue)
+- [An Introduction to Synchronized Java Collections](https://www.baeldung.com/java-synchronized-collections)

core-java-modules/core-java-collections/pom.xml

@@ -14,33 +14,12 @@
     </parent>
 
     <dependencies>
-        <dependency>
-            <groupId>org.apache.commons</groupId>
-            <artifactId>commons-collections4</artifactId>
-            <version>${commons-collections4.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>org.apache.commons</groupId>
-            <artifactId>commons-lang3</artifactId>
-            <version>${commons-lang3.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>org.eclipse.collections</groupId>
-            <artifactId>eclipse-collections</artifactId>
-            <version>${eclipse.collections.version}</version>
-        </dependency>
         <dependency>
             <groupId>org.assertj</groupId>
             <artifactId>assertj-core</artifactId>
             <version>${assertj.version}</version>
             <scope>test</scope>
         </dependency>
-        <dependency>
-            <groupId>org.junit.platform</groupId>
-            <artifactId>junit-platform-runner</artifactId>
-            <version>${junit.platform.version}</version>
-            <scope>test</scope>
-        </dependency>
         <dependency>
             <groupId>org.openjdk.jmh</groupId>
             <artifactId>jmh-core</artifactId>
@@ -51,11 +30,6 @@
             <artifactId>jmh-generator-annprocess</artifactId>
             <version>${openjdk.jmh.version}</version>
         </dependency>
-        <dependency>
-            <groupId>org.apache.commons</groupId>
-            <artifactId>commons-exec</artifactId>
-            <version>${commons-exec.version}</version>
-        </dependency>
         <dependency>
             <groupId>org.projectlombok</groupId>
             <artifactId>lombok</artifactId>
@@ -66,13 +40,6 @@
 
     <properties>
         <openjdk.jmh.version>1.19</openjdk.jmh.version>
-        <junit.platform.version>1.2.0</junit.platform.version>
-        <commons-lang3.version>3.8.1</commons-lang3.version>
-        <commons-collections4.version>4.1</commons-collections4.version>
-        <collections-generic.version>4.01</collections-generic.version>
-        <avaitility.version>1.7.0</avaitility.version>
         <assertj.version>3.11.1</assertj.version>
-        <eclipse.collections.version>7.1.0</eclipse.collections.version>
-		<commons-exec.version>1.3</commons-exec.version>
     </properties>
 </project>

core-java-modules/core-java-collections/src/main/java/com/baeldung/synchronizedcollections/Application.java

@@ -1,4 +1,4 @@
-package com.baeldung.synchronizedcollections.application;
+package com.baeldung.synchronizedcollections;
 
 import java.util.Arrays;
 import java.util.Collections;