#include <iostream>
using namespace std;
class MyClass {
int x, y;
public:
MyClass() {
x=0;
y=0;
}
MyClass(int i, int j) {
x=i;
y=j;
}
void getXY(int &i, int &j) {
i=x;
j=y;
}
MyClass operator+(MyClass object2);
MyClass operator-(MyClass object2);
MyClass operator=(MyClass object2);
};
MyClass MyClass::operator+(MyClass object2){
MyClass temp;
temp.x = x + object2.x;
temp.y = y + object2.y;
return temp;
}
MyClass MyClass::operator-(MyClass object2){
MyClass temp;
temp.x = x - object2.x;
temp.y = y - object2.y;
return temp;
}
MyClass MyClass::operator=(MyClass object2)
{
x = object2.x;
y = object2.y;
return *this; // return the object that is assigned
}
int main()
{
MyClass object1(10, 10), object2(5, 3), object3;
int x, y;
object3 = object1 + object2; // add two objects - this calls operator+()
object3.getXY(x, y);
cout << "(object1+object2) X: " << x << ", Y: " << y << endl;
object3 = object1 - object2; // subtract two objects
object3.getXY(x, y);
cout << "(object1-object2) X: " << x << ", Y: " << y << endl;
object3 = object1; // assign an object
object3.getXY(x, y);
cout << "(object3=object1) X: " << x << ", Y: " << y << endl;
return 0;
}
|
