src/share/classes/com/sun/java/swing/plaf/windows/WindowsTreeUI.java

*** 125,134 ****
--- 125,135 ----
       * future Swing releases.  The current serialization support is appropriate
       * for short term storage or RMI between applications running the same
       * version of Swing.  A future release of Swing will provide support for
       * long term persistence.
       */
+     @SuppressWarnings("serial") // Same-version serialization only
      public static class ExpandedIcon implements Icon, Serializable {
  
          static public Icon createExpandedIcon() {
              return new ExpandedIcon();
          }
*** 177,186 ****
--- 178,188 ----
       * future Swing releases.  The current serialization support is appropriate
       * for short term storage or RMI between applications running the same
       * version of Swing.  A future release of Swing will provide support for
       * long term persistence.
       */
+     @SuppressWarnings("serial") // Superclass is not serializable across versions
      public static class CollapsedIcon extends ExpandedIcon {
          static public Icon createCollapsedIcon() {
              return new CollapsedIcon();
          }
  
*** 193,202 ****
--- 195,205 ----
              g.drawLine(x + HALF_SIZE, y + 2, x + HALF_SIZE, y + (SIZE - 3));
              }
          }
      }
  
+     @SuppressWarnings("serial") // Superclass is not serializable across versions
      public class WindowsTreeCellRenderer extends DefaultTreeCellRenderer {
  
          /**
           * Configures the renderer based on the passed in components.
           * The value is set from messaging the tree with