Answer to Question #180721 in C++ for Venkat

Question

Write a program to overload binary – (minus) operator for Number class using friend function. Number class have 

two data members as num1 and num2.

Answer 1

#include <iostream>


using namespace std;


class Number
{
    int _num1;
    int _num2;
    
public: 
    
    friend Number operator-(const Number &number1, const Number &number2);
};


Number operator+(const Number &number1, const Number &number2)
{
    return Number(number1.num1 - number2.num1, number1.num2 - number2.num2);
}