001 package sale;
002
003 /**
004 * Exception thrown by all methods in {@link NullDisplay} to indicate that this is not a valid
005 * display.
006 *
007 * @author Steffen Zschaler
008 * @version 2.0 27/05/1999
009 * @since v2.0
010 */
011 public class InvalidDisplayException extends RuntimeException {
012
013 /**
014 * Create a new InvalidDisplayException.
015 */
016 public InvalidDisplayException() {
017 super();
018 }
019
020 }