src/share/classes/javax/swing/plaf/LayerUI.java

@@ -1,7 +1,7 @@
 /*
- * Copyright (c) 2009, 2011, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2009, 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

@@ -58,10 +58,11 @@
  *
  * @author Alexander Potochkin
  */
 public class LayerUI<V extends Component>
         extends ComponentUI implements Serializable {
+    private static final long serialVersionUID = 654939289258160655L;
 
     private final PropertyChangeSupport propertyChangeSupport =
             new PropertyChangeSupport(this);
 
     /**