/* Class Tunes contains the main driver of a program that  */
/* demonstrates the instantiation and use of a programmer- */
/* defined class.                                          */

class Tunes {

   //  Instantiates an object to monitor the value of a
   //  collection of musical CDs.
   public static void main (String[] args) {

      CD_Collection music = new CD_Collection (5, 59.69);

      music.add_cds (1, 10.99);
      music.add_cds (3, 39.34);
      music.add_cds (2, 24.73);

      music.print();

      music.add_cds (2, 20.82);
      music.add_cds (4, 46.90);

      music.print();
   }
}  // class Tunes