Polymorphism

In this part you will learn: 1. What is polymorphism 2. Why need polymorphism 3. What is virtual function 4. What is pure virtual function 5. Program 6. Output Polymorphism Polymorphism means having many forms. In c++, when we are dealing with classes and their inheritance, there occurs a case when we have more than one derived classes of the base class. Using polymorphism we can call a member function, which will, depending upon the type of object that invokes the function, cause a different function to perform. Polymorphism makes the program simple. Instead of