//Add the implementation for == operation for Box class. #include <iostream> usi

Question

//Add the implementation for == operation for Box class.

#include <iostream>
using namespace std;

class Box
{
public:
   int x,y;
   Box(int a=0, int b=0)
   {
       x = a;
       y = b;
   }
   Box operator+ (const Box &);
};
Box Box::operator+ (const Box &p)
{
   Box b;
   b.x = this->x + p.x;
   b.y = this->y + p.y;

   return b;
}

int main(){
   Box b1(10,12);
   Box b2(5,10);
   Box b3;               // b1 + b2;
   b3 = b1 + b2;
   cout<<b3.x<<", "<< b3.y<<endl;
   system("pause");
   return 0;
}

show the ouput.

Explanation / Answer

working c++ code

#include <iostream>
using namespace std;

class Box
{
public:
    int x,y;
    Box(int a=0, int b=0)
    {
        x = a;
        y = b;
    }
    Box operator+ (const Box &);
    Box operator== (const Box &p);
};
Box Box::operator+ (const Box &p)
{
    Box b;
    b.x = this->x + p.x;
    b.y = this->y + p.y;

    return b;
}
Box Box::operator== (const Box &p)
{
   Box b;
   if ((this->x == p.x) && (this->y == p.y))
   {
       b.x=1;
       b.y=1;
   }
   else
   {
       b.x=0;
       b.y=0;
   }
   return b;
}

int main(){
    Box b1(10,12);
    Box b2(5,10);
    Box b3;                // b1 + b2;
    b3 = b1 + b2;
    Box b4(5,5);
    Box b5(5,5);
    Box b6;
    b6=(b4==b5);
    cout<<b6.x<<endl<<b6.y;
    cout<<b3.x<<", "<< b3.y<<endl;
    return 0;
}

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