item.java

Java程序设计技巧与开发实例附书源代码。

public class Item
{
   protected String ID, desc;
   protected double price;
   protected int units;

   public Item(String _ID)
   {
      ID = _ID;
   }

   public String toString()
   {
      return ID + "\t" + units + " units x " + Util.dollar(price) + "\t";
   }
}