// File: main1.C
// Use the Box class.

#include <iostream.h>
#include "box1.h"

main() {
   Box b1, b2, b3 ;
   float volume ;

   // call "member function" b1 with b1.
   cout << "b1: " ;
   b1.identify() ;

   cout << "b2: " ;
   b2.identify() ;

   cout << "b3: " ;
   b3.identify() ;

   cout << "\n" ;

   volume = b1.volume() ;
   cout << "b1 volume = " << volume << "\n" ;
   b1.grow() ;
   b1.identify() ;
   volume = b1.volume() ;
   cout << "b1 volume = " << volume << "\n" ;

   cout << "\n" ;

   volume = b2.volume() ;
   cout << "b2 volume = " << volume << "\n" ;
   b2.shrink() ;
   b2.identify() ;
   volume = b2.volume() ;
   cout << "b2 volume =" << volume << "\n" ;
}