src/share/classes/com/sun/java/swing/plaf/windows/WindowsPopupWindow.java

@@ -1,7 +1,7 @@
 /*
- * Copyright (c) 2001, 2002, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2001, 2014, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.  Oracle designates this

@@ -47,10 +47,11 @@
  * version of Swing.  A future release of Swing will provide support for
  * long term persistence.
  *
  * @author Amy Fowler
  */
+@SuppressWarnings("serial") // Superclass is not serializable across versions
 class WindowsPopupWindow extends JWindow {
 
     static final int UNDEFINED_WINDOW_TYPE      = 0;
     static final int TOOLTIP_WINDOW_TYPE        = 1;
     static final int MENU_WINDOW_TYPE           = 2;