src/share/classes/javax/swing/Popup.java

*** 1,7 ****
  /*
!  * Copyright (c) 1999, 2010, 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
--- 1,7 ----
  /*
!  * Copyright (c) 1999, 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
*** 226,235 ****
--- 226,236 ----
  
  
      /**
       * Component used to house window.
       */
+     @SuppressWarnings("serial") // Superclass is not serializable across versions
      static class HeavyWeightWindow extends JWindow implements ModalExclude {
          HeavyWeightWindow(Window parent) {
              super(parent);
              setFocusableWindowState(false);
              setType(Window.Type.POPUP);
*** 265,272 ****
--- 266,274 ----
       * Used if no valid Window ancestor of the supplied owner is found.
       * <p>
       * PopupFactory uses this as a way to know when the Popup shouldn't
       * be cached based on the Window.
       */
+     @SuppressWarnings("serial") // JDK-implementation class
      static class DefaultFrame extends Frame {
      }
  }