protected JScrollPane createScroller(){
  JScrollPane sp=new JScrollPane(null,ScrollPaneConstants.VERTICAL_SCROLLBAR_AS_NEEDED,ScrollPaneConstants.HORIZONTAL_SCROLLBAR_NEVER);
  sp.setHorizontalScrollBar(null);
  sp.setBorder(BorderFactory.createEmptyBorder());
  return sp;
}

protected JScrollPane createScroller ( ) { JScrollPane sp = new JScrollPane ( null , ScrollPaneConstants . VERTICAL_SCROLLBAR_AS_NEEDED , ScrollPaneConstants . HORIZONTAL_SCROLLBAR_NEVER ) ; sp . setHorizontalScrollBar ( null ) ; sp . setBorder ( BorderFactory . createEmptyBorder ( ) ) ; return sp ; }
creates the scroll pane which houses the scrollable list .
