simple program using friend function (OOP) (56)

#include<iostream>

using namespace std;

class Distance

{

private:

int feet,inches;

public:

Distance(int a,int b)

{

feet=a;

inches=b;

}

friend int square( Distance);

};

int square( Distance obj)

{

int total;

total=obj.feet*12+obj.inches;

return total*total;

}

int main()

{

int a,b;

cout<<"please enter distance in feet:";

cin>>a;

cout<<"please enter distance in inches:";

cin>>b;

Distance d(a,b);

cout<<endl;

cout<<"the square is:"<<square(d)<<endl;

}