Matrix — GUJ

Boa noite amigos do guj! o Professor Tunai respondeu em parte minha dúvida com um código. só queria que um de vcs programadores, fechacem o código abaixo: obrigado e mil desculpas.
/*
 * matrixteste.java
 *
 * Created on 31 de Julho de 2013, 18:06
 */

package siscontabil;

/**import java.awt.*;  
import java.util.*;  
import javax.swing.*;  
  
@SuppressWarnings("serial")  
public class matrixRain extends JFrame {   
private static final int FONT_SIZE = 20;  
private static final int NUMBER_OF_REPEATS = 5;  
private static final String TEXT = new String("&#12354;     &#12383;        
&#12450;        &#12459;                                  &#12469;    &#12470;      &#12472;    
&#12474;       &#12476;       &#12478;           &#12471;    &#12473;      &#12475;   &#12477;    &#12461;   &#12463;   &#12465;   &#12467;   &#12452;  &#12454;   &#12456;    &#12458;   &#12472;&#12515; &#12394;");  
private static JPanel panel = new JPanel(null);  
private static Random random = new Random();  
private static JLabel label[] = new JLabel[NUMBER_OF_REPEATS];  
  
public matrixRain() {          
   this.add(panel);  
   panel.setBackground(Color.BLACK);  
}  
public void scroll() {  
      //array to hold x coordinates for the labels  
    int[] random_x = new int[NUMBER_OF_REPEATS];  
    //create an infinite loop  
    while (true) {  
        //initialise all the labels to random characters  
        for (int i = 0; i < NUMBER_OF_REPEATS; i++) {  
         int character_initial = random.nextInt(TEXT.length());  
          random_x[i] = random.nextInt(panel.getWidth() / FONT_SIZE) - 1;  
          label[i] = new JLabel("" + TEXT.charAt(character_initial));  
          panel.add(label[i]);  
          label[i].setFont(new Font("monospaced", Font.PLAIN, FONT_SIZE));  
        label[i].setForeground(new Color(0, 255, 0));  
     }  
    // change the text of the labels and their position  
    for (int j = 0; j < (panel.getHeight() / FONT_SIZE) * 2; j++) {  
        int character = random.nextInt(TEXT.length());  
        //move each character  
       for (int i = 0; i < NUMBER_OF_REPEATS; i++) {  
            label[i].setBounds(random_x[i] * FONT_SIZE, j * (FONT_SIZE / 2), FONT_SIZE, FONT_SIZE);  
            label[i].setText("" + TEXT.charAt(character));  
            label[i].setForeground(new Color(0, 255 - (j * 5), 0));       
           for (int k = 0; k < NUMBER_OF_REPEATS; k++) {  
               int character_initial = random.nextInt(TEXT.length());  
               random_x[k] = random.nextInt(panel.getWidth() / FONT_SIZE) - 1;  
                label[k] = new JLabel("" + TEXT.charAt(character_initial));  
                panel.add(label[k]);  
                label[k].setFont(new Font("monospaced", Font.PLAIN, FONT_SIZE));  
               label[k].setForeground(new Color(0, 255, 0));  
               Color colour = label[k].getForeground();  
               if (colour.getGreen() <= 80) {  
                    panel.remove(label[k]);  
                   k = (panel.getHeight() / FONT_SIZE) * 2;  
                }  
            }  
        }  
        // pause between each character  
        try {  
            Thread.sleep(15);  
        } catch (Exception e) {  
        }  
     }  
  }  
        }  
  public static void main(String[] args) {  
      matrixRain frame = new matrixRain();  
      frame.setVisible(true);  
      frame.setSize(600, 400);  
     frame.setResizable(false);  
     frame.setMinimumSize(new Dimension(300, 200));  
      frame.setLocationRelativeTo(null);  
     frame.setTitle("Matrix Code Emulator by Ricco");  
     frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);     
      frame.scroll();  
  }  
}  


 *
 * @author  Junior
 */
public class matrixteste extends javax.swing.JFrame {

    /** Creates new form matrixteste */
    public matrixteste() {
        initComponents();
    }

    /** This method is called from within the constructor to
     * initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is
     * always regenerated by the Form Editor.
     */
    @SuppressWarnings("unchecked")
    // <editor-fold defaultstate="collapsed" desc="Generated Code">                          
    private void initComponents() {

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);

        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGap(0, 400, Short.MAX_VALUE)
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGap(0, 300, Short.MAX_VALUE)
        );

        pack();
    }// </editor-fold>                        

    /**
    * @param args the command line arguments
    */
    public static void main(String args[]) {
        java.awt.EventQueue.invokeLater(new Runnable() {
            public void run() {
                new matrixteste().setVisible(true);
            }
        });
    }

    // Variables declaration - do not modify                     
    // End of variables declaration
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