C++ Program to show usage of classes and objects

Program

#include<iostream>
using namespace std;
class A
{
	public:
		int i, j, k;
};
int main()
{
	A a, b;
	a.i = 100;
	a.j = 5;
	a.k = a.i * a.j;
	cout << "This is from object a of class 'A' " << a.k << endl;
	b.i = 9;
	b.j = 10;
	b.k = b.i + b.j;
	cout << "This is from object b of class 'A' " << b.k << endl;
	return 0;
}

Output

This is from object a of class 'A' 500
This is from object b of class 'A' 19