src/share/classes/javax/swing/plaf/synth/SynthComboBoxUI.java

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@@ -1,7 +1,7 @@
 /*
- * Copyright (c) 2002, 2012, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2002, 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

@@ -442,10 +442,11 @@
      *
      * Be aware that SynthFileChooserUIImpl relies on the fact that the default
      * renderer installed on a Synth combo box is a JLabel. If this is changed,
      * then an assert will fail in SynthFileChooserUIImpl
      */
+    @SuppressWarnings("serial") // Superclass is not serializable across versions
     private class SynthComboBoxRenderer extends JLabel implements ListCellRenderer<Object>, UIResource {
         public SynthComboBoxRenderer() {
             super();
             setText(" ");
         }

@@ -533,10 +534,11 @@
      * It also is installed as a mouse listener and mouse motion listener on
      * the combo box. In this way, the state between the button and combo
      * are in sync. Whenever one is "over" both are. Whenever one is pressed,
      * both are.
      */
+    @SuppressWarnings("serial") // Superclass is not serializable across versions
     private final class ButtonHandler extends DefaultButtonModel
             implements MouseListener, PopupMenuListener {
         /**
          * Indicates that the mouse is over the combo or the arrow button.
          * This field only has meaning if buttonWhenNotEnabled is true.