[JAVA-621] core-java-lang-oop-methods module

* Creation

* Moved code from https://www.baeldung.com/java-equals-hashcode-contracts

* Moved code from www.baeldung.com/java-hashcode

* Moved code from https://www.baeldung.com/java-method-overload-override

* Moved code from www.baeldung.com/java-methods

* Moved article references to the new README.md

core-java-modules/core-java-lang-oop-2/README.md

@@ -3,5 +3,4 @@
 This module contains articles about Object-oriented programming (OOP) in Java
 
 ### Relevant Articles: 
-- [Java equals() and hashCode() Contracts](https://www.baeldung.com/java-equals-hashcode-contracts)
 - [[<-- Prev]](/core-java-modules/core-java-lang-oop)[[More -->]](/core-java-modules/core-java-lang-oop-3)

core-java-modules/core-java-lang-oop-4/README.md

@@ -4,6 +4,5 @@ This module contains articles about Object-oriented programming (OOP) in Java
 
 ### Relevant Articles: 
 - [Static and Dynamic Binding in Java](https://www.baeldung.com/java-static-dynamic-binding)
-- [Methods in Java](https://www.baeldung.com/java-methods)
 - [Java ‘private’ Access Modifier](https://www.baeldung.com/java-private-keyword)
 - [[<-- Prev]](/core-java-modules/core-java-lang-oop-3)

core-java-modules/core-java-lang-oop-modules/core-java-lang-oop-methods/README.md

@@ -0,0 +1,9 @@
+## Core Java Lang OOP - Methods
+
+This module contains articles about methods in Java
+
+### Relevant Articles: 
+- [Methods in Java](https://www.baeldung.com/java-methods)
+- [Method Overloading and Overriding in Java](https://www.baeldung.com/java-method-overload-override)
+- [Java equals() and hashCode() Contracts](https://www.baeldung.com/java-equals-hashcode-contracts)
+- [Guide to hashCode() in Java](https://www.baeldung.com/java-hashcode)

core-java-modules/core-java-lang-oop-modules/core-java-lang-oop-methods/pom.xml

@@ -0,0 +1,35 @@
+<?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">
+    <parent>
+        <artifactId>core-java-lang-oop-modules</artifactId>
+        <groupId>com.baeldung.core-java-lang-oop-modules</groupId>
+        <version>1.0.0-SNAPSHOT</version>
+    </parent>
+    <modelVersion>4.0.0</modelVersion>
+
+    <artifactId>core-java-lang-oop-methods</artifactId>
+    <name>core-java-lang-oop-methods</name>
+    <packaging>jar</packaging>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.assertj</groupId>
+            <artifactId>assertj-core</artifactId>
+            <version>${assertj-core.version}</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>nl.jqno.equalsverifier</groupId>
+            <artifactId>equalsverifier</artifactId>
+            <version>${equalsverifier.version}</version>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+
+    <properties>
+        <assertj-core.version>3.10.0</assertj-core.version>
+        <equalsverifier.version>3.0.3</equalsverifier.version>
+    </properties>
+</project>

core-java-modules/core-java-lang-oop-modules/pom.xml

@@ -21,5 +21,6 @@
         <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>
     </modules>
 </project>

core-java-modules/core-java-lang-oop/README.md

@@ -3,8 +3,6 @@
 This module contains articles about Object-oriented programming (OOP) in Java
 
 ### Relevant Articles: 
-- [Guide to hashCode() in Java](https://www.baeldung.com/java-hashcode)
-- [Method Overloading and Overriding in Java](https://www.baeldung.com/java-method-overload-override)
 - [How to Make a Deep Copy of an Object in Java](https://www.baeldung.com/java-deep-copy)
 - [Type Erasure in Java Explained](https://www.baeldung.com/java-type-erasure)
 - [Object-Oriented-Programming Concepts in Java](https://www.baeldung.com/java-oop)