--- a/jdk/src/share/demo/jfc/SampleTree/SampleTreeModel.java	Fri Mar 25 13:17:38 2011 +0100
+++ b/jdk/src/share/demo/jfc/SampleTree/SampleTreeModel.java	Fri Mar 25 13:23:09 2011 +0100
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 1998, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -29,8 +29,6 @@
  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-/*
- */
 
 import javax.swing.tree.DefaultTreeModel;
 import javax.swing.tree.TreeNode;
@@ -38,40 +36,43 @@
 import javax.swing.tree.DefaultMutableTreeNode;
 import java.awt.Color;
 
+
 /**
-  * SampleTreeModel extends JTreeModel to extends valueForPathChanged.
-  * This method is called as a result of the user editing a value in
-  * the tree.  If you allow editing in your tree, are using TreeNodes
-  * and the user object of the TreeNodes is not a String, then you're going
-  * to have to subclass JTreeModel as this example does.
-  *
-  * @author Scott Violet
-  */
+ * SampleTreeModel extends JTreeModel to extends valueForPathChanged.
+ * This method is called as a result of the user editing a value in
+ * the tree.  If you allow editing in your tree, are using TreeNodes
+ * and the user object of the TreeNodes is not a String, then you're going
+ * to have to subclass JTreeModel as this example does.
+ *
+ * @author Scott Violet
+ */
+@SuppressWarnings("serial")
+public class SampleTreeModel extends DefaultTreeModel {
 
-public class SampleTreeModel extends DefaultTreeModel
-{
     /**
-      * Creates a new instance of SampleTreeModel with newRoot set
-      * to the root of this model.
-      */
+     * Creates a new instance of SampleTreeModel with newRoot set
+     * to the root of this model.
+     */
     public SampleTreeModel(TreeNode newRoot) {
         super(newRoot);
     }
 
     /**
-      * Subclassed to message setString() to the changed path item.
-      */
+     * Subclassed to message setString() to the changed path item.
+     */
+    @Override
     public void valueForPathChanged(TreePath path, Object newValue) {
         /* Update the user object. */
-        DefaultMutableTreeNode      aNode = (DefaultMutableTreeNode)path.getLastPathComponent();
-        SampleData    sampleData = (SampleData)aNode.getUserObject();
+        DefaultMutableTreeNode aNode = (DefaultMutableTreeNode) path.
+                getLastPathComponent();
+        SampleData sampleData = (SampleData) aNode.getUserObject();
 
-        sampleData.setString((String)newValue);
+        sampleData.setString((String) newValue);
         /* UUUhhhhh, pretty colors. */
         sampleData.setColor(Color.green);
 
         /* Since we've changed how the data is to be displayed, message
-           nodeChanged. */
+        nodeChanged. */
         nodeChanged(aNode);
     }
 }