method of overloading

 

//program to show how method overloading works

# include<iostream>

using namespace std;

//area method with one parameter

int area(int side)

{

 return side*side;

}

//area method with two parameter

int area(int l , int b)

{

 return l*b;

}

int main()

{

 int (*para1)(int);

 int (*para2)(int,int);

 para1=area;

 para2=area;

 cout<<"Address of area(int) : "<<(unsigned int)para1<<endl;

 cout<<"Address of area(int,int) : "<<(unsigned int)para2<<endl;

 cout<<"Invoking area(int) via para1 : "<<para1(20)<<endl;

 cout<<"Invoking area(int,int) via para2 : "<<para2(10,20);

}