Polymorphism in Java The process of representing one form in multiple forms is known as  Polymorphism . Polymorphism is derived from 2...

Encapsulation in Java Encapsulation  is a process of wrapping of data and methods in a single unit is called encapsulation. Encapsulatio...

Abstraction in Java Abstraction  is the concept of exposing only the required essential characteristics and behavior with respect to a c...

Interface in Java Interface  is similar to class which is collection of public static final variables (constants) and abstract methods. ...

Method Overriding in Java Whenever same method name is existing in both base class and derived class with same types of parameters or sa...