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Polymorphism is an Oops concept which advice use of common interface instead of concrete implementation while writing code. When we program for interface our code is capable of handling any new requirement or enhancement arise in near future due to new implementation of our common interface. If we don't use common interface and rely on concrete implementation, we always need to change and duplicate most of our code to support new implementation. Its not only java but other object oriented language like C++ also supports polymorphism and it comes as fundamental along with encapsulation , abstraction and inheritance. |
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