src/share/classes/javax/swing/plaf/metal/MetalComboBoxIcon.java

@@ -1,7 +1,7 @@
 /*
- * Copyright (c) 1998, 2000, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1998, 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

@@ -39,10 +39,11 @@
  *
  * @see MetalComboBoxUI
  * @author Tom Santos
  */
 public class MetalComboBoxIcon implements Icon, Serializable {
+    private static final long serialVersionUID = 4005527431004205018L;
 
     /**
      * Paints the horizontal bars for the
      */
     public void paintIcon(Component c, Graphics g, int x, int y){