abstract class InventoryItem
{
   public InventoryItem(String desc, int id) 
   {
       description = desc;
       quantityOnHand = 0;
       inventoryNumber = id;
       price = 0;
   } // constructor

   abstract void print();

   public String getDescription() { return description;}
   public String getId() { return " " + inventoryNumber + " ";}
   public int getQuantityOnHand() { return quantityOnHand;}
   public int getInventoryID() { return inventoryNumber;}
   public double getPrice() { return price;}

   private String description;
   private int quantityOnHand;
   private int inventoryNumber;
   private double price;
} // class InventoryItem