POLYMORPHISM
From WikiEducator
-> It is the ability for a message or data to be processed in more than one form.
-> It is the property by which same message can be sent to objects of several different classes.
Polymorphism is illustrated through the concept of function overloading.
Function Overloading : It is the process of using same name for different function definitions that are differentiable by the number and types of argument.
A function having several definitions that are differentiable by the number or types of their arguments is known as an overloaded function .
Example:
A same function AREA ( ) is being used to calculate the area of different shapes :
#include <iostream.h>
class SHAPE {
public:
void AREA(int l) // Function Definition to calculate area of Square
{
cout << "Area of Square is : " << l*l << endl;
}
void AREA (int l,int b) //Function Definition to calculate area of rectangle
{
cout << "Area of Rectangle is : " << l*b << endl;
}
};
void main( )
{
SHAPE s;
s.AREA (10); // Function call to calculate area of Square
s.AREA(5,10); //Function call to calculate area of Rectangle
}
