--- a/jdk/src/share/demo/jfc/Metalworks/MetalworksInBox.java	Thu Mar 24 18:13:12 2011 +0100
+++ b/jdk/src/share/demo/jfc/Metalworks/MetalworksInBox.java	Thu Mar 24 18:15:51 2011 +0100
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1998, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1998, 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
@@ -29,22 +29,20 @@
  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-/*
- */
 
-import java.awt.*;
-import java.awt.event.*;
-import java.util.*;
-import javax.swing.*;
-import javax.swing.border.*;
-import javax.swing.tree.*;
+import javax.swing.JInternalFrame;
+import javax.swing.JScrollPane;
+import javax.swing.JTree;
+import javax.swing.tree.DefaultMutableTreeNode;
 
 
 /**
-  * This is a subclass of JInternalFrame which displays a tree.
-  *
-  * @author Steve Wilson
-  */
+ * This is a subclass of JInternalFrame which displays a tree.
+ *
+ * @author Steve Wilson
+ * @author Alexander Kouznetsov
+ */
+@SuppressWarnings("serial")
 public class MetalworksInBox extends JInternalFrame {
 
     public MetalworksInBox() {
@@ -57,49 +55,47 @@
 
         DefaultMutableTreeNode top = new DefaultMutableTreeNode("Mail Boxes");
 
-        top.add( unread = new DefaultMutableTreeNode("Unread Mail") );
-        top.add( personal = new DefaultMutableTreeNode("Personal") );
-        top.add( business = new DefaultMutableTreeNode("Business") );
-        top.add( spam = new DefaultMutableTreeNode("Spam") );
+        top.add(unread = new DefaultMutableTreeNode("Unread Mail"));
+        top.add(personal = new DefaultMutableTreeNode("Personal"));
+        top.add(business = new DefaultMutableTreeNode("Business"));
+        top.add(spam = new DefaultMutableTreeNode("Spam"));
 
-        unread.add( new DefaultMutableTreeNode("Buy Stuff Now") );
-        unread.add( new DefaultMutableTreeNode("Read Me Now") );
-        unread.add( new DefaultMutableTreeNode("Hot Offer") );
-        unread.add( new DefaultMutableTreeNode("Re: Re: Thank You") );
-        unread.add( new DefaultMutableTreeNode("Fwd: Good Joke") );
+        unread.add(new DefaultMutableTreeNode("Buy Stuff Now"));
+        unread.add(new DefaultMutableTreeNode("Read Me Now"));
+        unread.add(new DefaultMutableTreeNode("Hot Offer"));
+        unread.add(new DefaultMutableTreeNode("Re: Re: Thank You"));
+        unread.add(new DefaultMutableTreeNode("Fwd: Good Joke"));
 
-        personal.add( new DefaultMutableTreeNode("Hi") );
-        personal.add( new DefaultMutableTreeNode("Good to hear from you") );
-        personal.add( new DefaultMutableTreeNode("Re: Thank You") );
+        personal.add(new DefaultMutableTreeNode("Hi"));
+        personal.add(new DefaultMutableTreeNode("Good to hear from you"));
+        personal.add(new DefaultMutableTreeNode("Re: Thank You"));
 
-        business.add( new DefaultMutableTreeNode("Thanks for your order") );
-        business.add( new DefaultMutableTreeNode("Price Quote") );
-        business.add( new DefaultMutableTreeNode("Here is the invoice") );
-        business.add( new DefaultMutableTreeNode("Project Metal: delivered on time") );
-        business.add( new DefaultMutableTreeNode("Your salary raise approved") );
+        business.add(new DefaultMutableTreeNode("Thanks for your order"));
+        business.add(new DefaultMutableTreeNode("Price Quote"));
+        business.add(new DefaultMutableTreeNode("Here is the invoice"));
+        business.add(new DefaultMutableTreeNode(
+                "Project Metal: delivered on time"));
+        business.add(new DefaultMutableTreeNode("Your salary raise approved"));
 
-        spam.add( new DefaultMutableTreeNode("Buy Now") );
-        spam.add( new DefaultMutableTreeNode("Make $$$ Now") );
-        spam.add( new DefaultMutableTreeNode("HOT HOT HOT") );
-        spam.add( new DefaultMutableTreeNode("Buy Now") );
-        spam.add( new DefaultMutableTreeNode("Don't Miss This") );
-        spam.add( new DefaultMutableTreeNode("Opportunity in Precious Metals") );
-        spam.add( new DefaultMutableTreeNode("Buy Now") );
-        spam.add( new DefaultMutableTreeNode("Last Chance") );
-        spam.add( new DefaultMutableTreeNode("Buy Now") );
-        spam.add( new DefaultMutableTreeNode("Make $$$ Now") );
-        spam.add( new DefaultMutableTreeNode("To Hot To Handle") );
-        spam.add( new DefaultMutableTreeNode("I'm waiting for your call") );
+        spam.add(new DefaultMutableTreeNode("Buy Now"));
+        spam.add(new DefaultMutableTreeNode("Make $$$ Now"));
+        spam.add(new DefaultMutableTreeNode("HOT HOT HOT"));
+        spam.add(new DefaultMutableTreeNode("Buy Now"));
+        spam.add(new DefaultMutableTreeNode("Don't Miss This"));
+        spam.add(new DefaultMutableTreeNode("Opportunity in Precious Metals"));
+        spam.add(new DefaultMutableTreeNode("Buy Now"));
+        spam.add(new DefaultMutableTreeNode("Last Chance"));
+        spam.add(new DefaultMutableTreeNode("Buy Now"));
+        spam.add(new DefaultMutableTreeNode("Make $$$ Now"));
+        spam.add(new DefaultMutableTreeNode("To Hot To Handle"));
+        spam.add(new DefaultMutableTreeNode("I'm waiting for your call"));
 
         JTree tree = new JTree(top);
         JScrollPane treeScroller = new JScrollPane(tree);
         treeScroller.setBackground(tree.getBackground());
         setContentPane(treeScroller);
-        setSize( 325, 200);
-        setLocation( 75, 75);
+        setSize(325, 200);
+        setLocation(75, 75);
 
     }
-
-
-
 }