manager = new DefaultKeyboardFocusManager ();
manager = createFocusManager();
  public static void setCurrentKeyboardFocusManager (KeyboardFocusManager m)  {    SecurityManager sm = System.getSecurityManager ();    if (sm != null)      sm.checkPermission (new AWTPermission ("replaceKeyboardFocusManager"));    ThreadGroup currentGroup = Thread.currentThread ().getThreadGroup ();    KeyboardFocusManager manager;    if (m == null)      manager = new DefaultKeyboardFocusManager ();    else      manager = m;    currentKeyboardFocusManagers.put (currentGroup, manager);      }