divider.setBorder(UIManager.getBorder("SplitPaneDivider.border"));
  protected void installDefaults()  {    LookAndFeel.installColors(splitPane, "SplitPane.background",                              "SplitPane.foreground");    LookAndFeel.installBorder(splitPane, "SplitPane.border");    divider = createDefaultDivider();    resetLayoutManager();    nonContinuousLayoutDivider = createDefaultNonContinuousLayoutDivider();    splitPane.add(divider, JSplitPane.DIVIDER);    // There is no need to add the nonContinuousLayoutDivider    splitPane.setDividerSize(UIManager.getInt("SplitPane.dividerSize"));    splitPane.setOpaque(true);  }