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

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@@ -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

@@ -146,10 +146,11 @@
  * @see #getUI()
  * @since 1.7
  *
  * @author Alexander Potochkin
  */
+@SuppressWarnings("serial") // Superclass is not serializable across versions
 public final class JLayer<V extends Component>
         extends JComponent
         implements Scrollable, PropertyChangeListener, Accessible {
     private V view;
     // this field is necessary because JComponent.ui is transient

@@ -685,10 +686,11 @@
     /**
      * Gets the AccessibleContext associated with this {@code JLayer}.
      *
      * @return the AccessibleContext associated with this {@code JLayer}.
      */
+    @SuppressWarnings("serial") // anonymous class
     public AccessibleContext getAccessibleContext() {
         if (accessibleContext == null) {
             accessibleContext = new AccessibleJComponent() {
                 public AccessibleRole getAccessibleRole() {
                     return AccessibleRole.PANEL;

@@ -823,10 +825,11 @@
 
     /**
      * The default glassPane for the {@link javax.swing.JLayer}.
      * It is a subclass of {@code JPanel} which is non opaque by default.
      */
+    @SuppressWarnings("serial") // Superclass is not serializable across versions
     private static class DefaultLayerGlassPane extends JPanel {
         /**
          * Creates a new {@link DefaultLayerGlassPane}
          */
         public DefaultLayerGlassPane() {