Overload the '*' for 'ob * int' and 'int * ob'. : Product « Overload « C++






Overload the '*' for 'ob * int' and 'int * ob'.

Overload the '*' for 'ob * int' and 'int * ob'.

#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; 
  }
  friend MyClass operator*(MyClass object1, int i);
  friend MyClass operator*(int i, MyClass object2);
};

// Overload * one way.
MyClass operator*(MyClass object1, int i)
{
  MyClass temp;

  temp.x = object1.x * i;
  temp.y = object1.y * i;

  return temp;
}

// Overload * another way.
MyClass operator*(int i, MyClass object2)
{
  MyClass temp;

  temp.x = object2.x * i;
  temp.y = object2.y * i;

  return temp;
}

int main()
{
  MyClass object1(10, 10), object2;
  int x, y;
 
  object2 = object1 * 2;  // ob * int
  object2.getXY(x, y);
  cout << "(object1*2) X: " << x << ", Y: " << y << endl;

  object2 = 3 * object1; // int * ob
  object2.getXY(x, y);
  cout << "(3*object1) X: " << x << ", Y: " << y << endl;

  return 0;
}


           
       








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