Program for Parameterized Constructor Using OOPs & C++ concept

#include <iostream.h>
#include<conio.h>


class CRectangle
 {
    private:
    int width, height;


    public:
    CRectangle (int,int); //Parameterized Constructor
    int area ()
   {
        return (width*height);
   }
   ~CRectangle()
     {};
};
CRectangle::CRectangle (int a, int b)
 {
  width = a;
  height = b;
}


void main ()
 {
  CRectangle rect (3,4);
  cout << "rect area: " << rect.area() << endl;
  getche();  
}