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Saturday, May 8, 2010

What is Difference between Overloading and Overriding


Overloading and Overriding both are example of polymorphism. Overriding is dynamic polymorphism while overloading is static polymorphism.

Overriding: Overriding is a changing of behavior of a class in drive class using dynamic polymorphism. for example in C# you have a class A  and another class B drive from A.  Class A have a virtual method abc and in class B using override you given new functionality to this method.

Overloading: Overloading is a mechanism by which we can have two different methods using same name.

Overloading can be implemented using Different parameter data types, different number of parameters, different order of parameters.

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