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## 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)