package rpi.goldsd.graph;

/**
 * The <tt>VertexNotFoundException</tt> class represents an exception that
 * should be thrown when a method fails because a required vertex was not
 * found.
 *
 * @version 2.0, 3/28/98
 * @author David Goldschmidt
 */
public class VertexNotFoundException extends RuntimeException
{
  /**
   * The default constructor simply calls the default constructor
   * of the parent class <tt>RuntimeException</tt>.
   */
  public VertexNotFoundException()  { super(); }


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