@Override public Enumeration<String> enumerateRequests(){
  Vector<String> newVector=new Vector<String>(0);
  newVector.addElement("Show results");
  newVector.addElement("?Clear results");
  return newVector.elements();
}

@ Override public Enumeration < String > enumerateRequests ( ) { Vector < String > newVector = new Vector < String > ( 0 ) ; newVector . addElement ( "Show results" ) ; newVector . addElement ( "?Clear results" ) ; return newVector . elements ( ) ; }
get a list of user requests
