public void actionPerformed(ActionEvent ae){
  Object obj=ae.getSource();
  if (obj == this) {
    TimerRateHolder trh=(TimerRateHolder)getSelectedItem();
    trh.modifyTimer(getTimeHandler());
  }
}

public void actionPerformed ( ActionEvent ae ) { Object obj = ae . getSource ( ) ; if ( obj == this ) { TimerRateHolder trh = ( TimerRateHolder ) getSelectedItem ( ) ; trh . modifyTimer ( getTimeHandler ( ) ) ; } }
when a choice is made , the timerratecombobox updates the realtimehandler .
