Below based on the following two classes Point 2D and Point 3D: Point 2D class:

Question

Below based on the following two classes Point 2D and Point 3D: Point 2D class: Two integer field x and y each with accessory (get) and (set) methods. A default constructor that creates a 2D point with 0 values. A constructor that takes 2 int values and creates a point object with the x and y values. A constructor that takes 2 int values and creates a point object with the x and y values. An overload == operator to determine whether two 2D points ate equal or not. An overload so that we can read a 2D point object from the input stream using an instruction similar to this: cin > > point 1; Point 3D class; Three integer fields: x, y and z each with (get) and mutator (set) methods. A default constructor that creates a 3D point with 0 values. A constructor that takes 3 int values and creates a 3D point object with the x, y and z values. An overload == operator to determine whether two 3D points arc equal or not. An overload so that we can read a 3D point object from the input stream a) Implement the Point 2D class. b) Implement the Point 3D class. This class should be derived from the Point 2D class.

Explanation / Answer

Here is the code in C++ for above scenario

#include <iostream>
using namespace std;

class Point2D{
   public:
       int x,y;
      
       Point2D(){
           x=0;
           y=0;
       }
      
      
       Point2D(int x1,int y1){
           x=x1;
           y=y1;
       }
      
       int operator==(const Point2D& b){
           if(b.x==this.x && b.y){
               return 0;
           }
           else {
               return 1;
           }
       }
      
       void operator>> (const Point2D& b){
           cin>>x;
           cin>>y;
       }
      
       void operator>> (const Point2D& b){
           cin<<x;
           cin<<y;
       }
}

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