Polymorphism in Java :  What is Polymorphism? Polymorphism is the ability of an object to take more than one forms. It is one of the important concept of object-oriented programming language. JAVA is object-oriented programming language which support the concept of polymorphisms. Alternatively, it is defined as the ability of a reference variable to change behavior according to what object instance it is holding. This allows multiple objects of different subclasses to be treated as objects of a single parent …