Runtime Polymorphism Example in C++


Runtime polymorphism: This type of polymorphism is achieved by Function Overriding. Function overriding on the other hand occurs when a derived class has a definition for one of the member functions of the base class. That base function is said to be overridden.

Example Program:

Here is the simple program runtime polymorphism in C++.

Source Code

using namespace std;
class Shape
    virtual void draw()=0;  //=0 is pure virtual function
class Rectangle:public Shape
public :
    void draw()
        cout<<"Draw Rectangle"<<endl;
class Square:public Shape
public :
    void draw()
        cout<<"Draw Square"<<endl;
int main()
    Shape *o =new Rectangle();
    o =new Square();
    return 0;
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Draw RectangleDraw Square

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