How to find the area of a rectangle using friend function in c++?
Zaarm Tech Changed status to publish November 20, 2021
#include<iostream.h>
#include<conio.h>
class Area_Rectangle
{
int width, height;
public:
void set_values (int,int);
int area()
{
return (width*height);
}
friend Area_Rectangle duplicate (Area_Rectangle);
};
void Area_Rectangle::set_values (int a, int b)
{
width = a;
height = b;
}
Area_Rectangle duplicate (Area_Rectangle r)
{
Area_Rectangle rec;
rec.width = r.width*2;
rec.height = r.height*2;
return (rec);
}
void main()
{
Area_Rectangle rect, rectb;
int w, h;
clrscr();
cout<<"Enter values for width and height"<<endl;
cout<<"Width: ";
cin>>w;
cout<<"Height: ";
cin>>h;
rect.set_values (w,h);
rectb = duplicate (rect);
cout<<endl<<"Area of rectangle: "<<rectb.area();
getch();
}
Zaarm Tech Changed status to publish November 20, 2021
