package sale;

/**
  * Exception thrown by all methods in {@link NullDisplay} to indicate that this is not a valid
  * display.
  *
  * @author Steffen Zschaler
  * @version 2.0 27/05/1999
  * @since v2.0
  */
public class InvalidDisplayException extends RuntimeException {

  /**
    * Create a new InvalidDisplayException.
    */
  public InvalidDisplayException() {
    super();
  }

}