Relational Operator Distance Example using Operator Overloading in C++


Example Program:

Here is the simple program for printing the basic example of relational operator using operator overloading in C++.

Source Code

#include <iostream>
using namespace std;
class Distance
{
  private:
    int feet;
    int inches;
  public:
    Distance()
    {
       feet = 0;
       inches = 0;
    }
    Distance(int f,int i)
    {
       feet = f;
       inches = i;
    }
    void displayDistance()
    {
       cout<<"F: "<<feet<<" I:"<<inches<<endl;
    }
    Distance operator- ()
    {
       feet = -feet;
       inches = -inches;
       return Distance(feet, inches);
    }
    bool operator<(const Distance& d)
    {
       if(feet<d.feet)
       {
         return true;
       }
       if(feet==d.feet && inches<d.inches)
       {
         return true;
       }
       return false;
    }
};
int main()
{
   Distance D1(11,10),D2(5,11);
   if(D1<D2)
   {
     cout<<"D1 is less than D2"<<endl;
   }
   else
   {
     cout<<"D2 is less than D1"<<endl;
   }
   return 0;
}
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Output

D2 is less than D1

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