package rpi.goldsd.container;

/**
 * The <tt>DuplicateElementException</tt> class represents an exception that
 * should be thrown when a method fails due to the occurrence of a duplicate
 * element (typically brought on by a violation of a unique constraint).
 *
 * @see AssociativeContainer
 * @version 1.0, 3/16/98
 * @author David Goldschmidt
 */
public class DuplicateElementException extends RuntimeException
{
  /**
   * The default constructor simply calls the default constructor
   * of the parent class <tt>RuntimeException</tt>.
   */
  public DuplicateElementException()  { super(); }


  /**
   * This constructor calls the corresponding constructor of the
   * parent class <tt>RuntimeException</tt> with the given <tt>String</tt>
   * argument to be displayed.
   * @param s the <tt>String</tt> object to be displayed.
   */
  public DuplicateElementException( String s )  { super( s ); }
}