Thread: hi - Java swing errors

my name is glen lacock
I a student at uop and a writer
My first book has been writing and is on B and N nook.
I here for some help with my code
I have one erro that I can not find
Please any help would be great
glen

 /*Programmer:	GLen Lacock
 * Date:		3/22/2011
 * Filename:	helloworld
 * Purpose:		This program to show hello world and jlabel
 */
 
 /* java libraries*/
 import java.awt.*;
 import javax.swing.*;
 
 
public class Helloworld extends JFrame
{
	  public static void main(String argv[]) {
    new SwingHelloWorld("I am Student at UOP");
  }
}
 
public HelloWorld(String name)
{
    super(name);
    this.setDefaultCloseOperation(EXIT_ON_CLOSE);
 
    JLabel label = new JLabel("Hello, world!");
 
	    label.setPreferredSize(new Dimension(210, 80));
 
	    this.getContentPane().add(label);
this.pack();
    this.setVisible(true);
  }