Input
Output
#include <iostream> using namespace std; class Rectangle{ private: int length=5, breadth=6; float area; public: friend class Result; // friend class }; class Result{ public: void show_data(Rectangle r1) { cout << "Enter the length and breadth value: " ; cout << r1.length << " " << r1.breadth << endl; r1.area= r1.length * r1.breadth; cout << "Area of the Rectangle: " << r1.area; } }; int main(){ Rectangle r1; Result r2; r2.show_data(r1); return 0; }