[BAEL-9555] - Created a core-java-modules folder

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

@@ -0,0 +1,24 @@
+=========
+
+## Core Java Lang OOP Cookbooks and Examples
+
+### Relevant Articles: 
+- [Guide to hashCode() in Java](http://www.baeldung.com/java-hashcode)
+- [A Guide to the Static Keyword in Java](http://www.baeldung.com/java-static)
+- [Polymorphism in Java](http://www.baeldung.com/java-polymorphism)
+- [Method Overloading and Overriding in Java](http://www.baeldung.com/java-method-overload-override)
+- [How to Make a Deep Copy of an Object in Java](http://www.baeldung.com/java-deep-copy)
+- [Guide to Inheritance in Java](http://www.baeldung.com/java-inheritance)
+- [Object Type Casting in Java](http://www.baeldung.com/java-type-casting)
+- [The “final” Keyword in Java](http://www.baeldung.com/java-final)
+- [Type Erasure in Java Explained](http://www.baeldung.com/java-type-erasure)
+- [Pass-By-Value as a Parameter Passing Mechanism in Java](http://www.baeldung.com/java-pass-by-value-or-pass-by-reference)
+- [Variable and Method Hiding in Java](http://www.baeldung.com/java-variable-method-hiding)
+- [Access Modifiers in Java](http://www.baeldung.com/java-access-modifiers)
+- [Guide to the super Java Keyword](http://www.baeldung.com/java-super)
+- [Guide to the this Java Keyword](http://www.baeldung.com/java-this)
+- [Immutable Objects in Java](http://www.baeldung.com/java-immutable-object)
+- [Inheritance and Composition (Is-a vs Has-a relationship) in Java](http://www.baeldung.com/java-inheritance-composition)
+- [A Guide to Constructors in Java](https://www.baeldung.com/java-constructors)
+- [Java equals() and hashCode() Contracts](https://www.baeldung.com/java-equals-hashcode-contracts)
+- [Marker Interfaces in Java](https://www.baeldung.com/java-marker-interfaces)