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Polymorphism

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Introduction

Polymorphism is one of main OOP(object oriented programming) concepts. Polymorphism word was derived from the greek words "poly" and "morphs". Poly means "many" and morphs means "forms" (many forms).

There are two ways to perform polymorphism. Method Overloading and Method Overriding.

Remarks

Interfaces are another way to achieve polymorphism in Java, apart from class based inheritance. Interfaces define a list of methods which form the API of the program. Classes must implement an interface by overriding all its methods.

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