protected void installComponents(){
  if (scrollableTabLayoutEnabled()) {
    if (tabScroller == null) {
      tabScroller=new ScrollableTabSupport(tabPane.getTabPlacement());
      tabPane.add(tabScroller.viewport);
    }
  }
}

protected void installComponents ( ) { if ( scrollableTabLayoutEnabled ( ) ) { if ( tabScroller == null ) { tabScroller = new ScrollableTabSupport ( tabPane . getTabPlacement ( ) ) ; tabPane . add ( tabScroller . viewport ) ; } } }
creates and installs any required subcomponents for the jtabbedpane . invoked by installui .
