15e.txt

一本关于JBuilder 应用开发的书籍,希望大家喜欢,其实我没看过的,

PurchaseProblemException：
package statefulsession;
public class PurchaseProblemException extends Exception
{
  public PurchaseProblemException(String message)
  {
    super("PPP"+message);
  }
}
CardExpiredException：
package statefulsession;
public class CardExpiredException extends Exception
{
  public CardExpiredException(String message)
  {
    super(message);
  }
}
ItemNotFoundException
package statefulsession;
public class ItemNotFoundException extends Exception
{
  public ItemNotFoundException(String message)
  {
      super(message);
  }
}