Conversion from CLASS TO CLASS

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

class invent1
{
 int code;
 int items;
 float price;

  public:

  invent1()
  {}

  invent1(int a,int b,int c)
  {
    code=a;
    items=b;
    price=c;
  }

  void display()
  {
    cout<<"\nCode  : "<<code;
    cout<<"\nItems : "<<items;
    cout<<"\nPrice : "<<price;
  }

  int getcode()
  {return code;}

  int getitem()
  {return items;}

  int getprice()
  {return price;}

};


class invent2
{
  int code;
  float value;

   public:

    invent2()
    {
      code=0;
      value=0;
    }

    invent2(int x,float y)
    {
      code=x;
      value=y;
    }

    void display()
    {
     cout<<"Code  : "<<code<<endl;
     cout<<"Value : "<<value<<endl;
    }

    invent2(invent1 p)
    {
     code=p.getcode();
     value=p.getitem()*p.getprice();
    }
};


void main()
{
 clrscr();
 invent1 s1(100,5,140);
 invent2 d1;

 d1=s1;  //Invoke Constructor in Invent2 for conversion

 cout<<"\nProduct details - Invent1 type";
 s1.display();

 cout<<"\n\n\nProduct details - Invent2 type\n";
 d1.display();
 getch();
}