#include
using namespace std;
class Point {
int x, y;
public:
Point() {}
Point(int px, int py) {
x = px;
y = py;
}
void show() {
cout << x << " ";
cout << y << "\n";
}
Point operator+(Point op2);
Point operator()(int i, int j);
};
// Overload ( ) for Point.
Point Point::operator()(int i, int j)
{
x = i;
y = j;
return *this;
}
// Overload + for Point.
Point Point::operator+(Point op2)
{
Point temp;
temp.x = op2.x + x;
temp.y = op2.y + y;
return temp;
}
int main()
{
Point ob1(10, 20), ob2(1, 1);
ob1.show();
ob1(7, 8); // can be executed by itself
ob1.show();
ob1 = ob2 + ob1(10, 10); // can be used in expressions
ob1.show();
return 0;
}
10 20
7 8
11 11