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C# Polymorphism

The term "Polymorphism" is the combination of "poly" + "morphs" which means many forms. It is a greek word. In object-oriented programming, we use 3 main concepts: inheritance, encapsulation and polymorphism.

There are two types of polymorphism in C#: compile time polymorphism and runtime polymorphism. Compile time polymorphism is achieved by method overloading and operator overloading in C#. It is also known as static binding or early binding. Runtime polymorphism in achieved by method overriding which is also known as dynamic binding or late binding.

C# Runtime Polymorphism Example

Let's see a simple example of runtime polymorphism in C#.

Output:

eating bread...

C# Runtime Polymorphism Example 2

Let's see a another example of runtime polymorphism in C# where we are having two derived classes.

Output:

drawing...
drawing rectangle...
drawing circle...

Runtime Polymorphism with Data Members

Runtime Polymorphism can't be achieved by data members in C#. Let's see an example where we are accessing the field by reference variable which refers to the instance of derived class.

Output:

white
Next TopicC# Sealed




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