C++ Program to add two numbers using the default constructor

---

In this program, You will learn how to add two numbers using the default constructor in C++.

---

30 = 20 + 10

40 = 20 + 20

Example: How to add two numbers using default constructor in C++.

#include<iostream>
using namespace std;

class Add {
   int a, b, c;
public:

   Add() {
       cout << "Enter two numbers:";
       cin >> a >> b;
   }

   void sum() {
       c = a + b;
   }

   void display() {
       cout << "Sum is:" << c;
   }
};

int main() {

   Add obj;
   obj.sum();
   obj.display();

   return 0;
}

Output:

Enter two numbers:10 20
Sum is:30