UIDefaults defaults = UIManager.getLookAndFeelDefaults();  size = defaults.getDimension("ToolBar.separatorSize");
size = UIManager.getDimension("ToolBar.separatorSize");
  protected void installDefaults(JSeparator s)  {    UIDefaults defaults = UIManager.getLookAndFeelDefaults();        size = defaults.getDimension("ToolBar.separatorSize");  }