Question

Debug this java and post the corrected code.

/* Creates a simple JPanel with a single "quit" JButton
* that ends the program when clicked.
* There are 3 errors, one won't prevent compile, you have to read comments.
*/

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

public class QuitIt extends JFrame {

    public QuitIt() {
        startIt(); //Create everything and start the listener
    }

    public final void startIt() {

       //Create the JPanel
       JPanel myPanel = new JPanel();
       getContentPane().add(myPanel);
       myPanel.setLayout(null);

       //Create the button
       JButton quitButton = new JButton(); //Create the JButton with the word "Quit" on it.
       quitButton.setBounds(50, 60, 80, 30);

       //Add the listener
       quitButton.addActionListener(new ActionListener() {
           public void actionPerformed(ActionEvent event) {
               System.exit(0); //Quit the program when activated
          }
       });

       //Add the button to the JPanel and format
       myPanel.add(quitButton);
       setTitle("Quit button");
       setSize(200, 200);
       setLocationRelativeTo(null);
       setDefaultCloseOperation(EXIT_ON_CLOSE);
    }

    public static void main(String[] args) {
       QuitIt quitter = new QuitIt() //Declare and instantiate
       quitter.setVisible(); //Let there be light
    }
}