Thread: I don't understand what's wrong in my programme

hi I have problem in result of my program : the event not generated and the result not shown,
Please help me to solve this , I am beginner in Java I use Netbeans.

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package score;
 
/**
 *
 * @author hhbest
 */
import javax.swing.*;
import java.awt.*;
import java.util.*;
import java.awt.event.*;
import javax.swing.border.Border;
 
 
//le class commence ici
 
/**
 *
 * @author hhbest
 */
public class Score extends JFrame implements ActionListener,ItemListener {
 
    ButtonGroup option = new ButtonGroup();
    ButtonGroup option1 = new ButtonGroup();
    ButtonGroup option2 = new ButtonGroup();
    ButtonGroup option3 = new ButtonGroup();
    int rep;
    int clcScore;
//    ROW 1
        JPanel row1 = new JPanel();
        JCheckBox rep1 = new JCheckBox("Oui", false);
        JCheckBox rep2 = new JCheckBox("Nom", false);
        JLabel testlabel= new JLabel("Je prends facilement et regulierement les avis des autres sur mon travail......"
                , JLabel.LEFT);
 
//        ROW 2
        JPanel row2 = new JPanel();
        JCheckBox rep3 = new JCheckBox("Oui", false);
        JCheckBox rep4 = new JCheckBox("Nom", false);
        JLabel testlabel2= new JLabel("Je prends facilement et regulierement les avis des autres sur mon travail......"
                , JLabel.LEFT);
//        ROW 3
    JPanel row3 = new JPanel();
        JCheckBox rep5 = new JCheckBox("Oui", false);
        JCheckBox rep6 = new JCheckBox("Nom", false);
        JLabel testlabel3= new JLabel("Je prends facilement et regulierement les avis des autres sur mon travail......"
                , JLabel.LEFT);
//        ROW 4
        BorderLayout crisisLayout = new BorderLayout();
        JPanel row4 = new JPanel();
 
        JLabel testlabel4= new JLabel("le resulta est: 0 " , JLabel.LEFT);
 
 
    public Score () {
        super("Mon style de communication");
        setLookAndFeel();
        setSize(650, 300);
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        GridLayout layout = new GridLayout(5, 1, 10, 10);
        setLayout(layout);
        FlowLayout layout1 = new FlowLayout(FlowLayout.LEFT,10, 10);
        FlowLayout layout2 = new FlowLayout(FlowLayout.LEFT,10, 10);
        FlowLayout layout3 = new FlowLayout(FlowLayout.LEFT,10, 10);
        FlowLayout layout4 = new FlowLayout(FlowLayout.LEFT,10, 10);
//        GRAPHIC ROW 1
        row1.setLayout(layout1);
        row1.add(testlabel);
        option.add(rep1);
        option.add(rep2);
        row1.setLayout(layout1);
        row1.add(rep1);
        row1.add(rep2);        
        add(row1);
//        GRAPHIC ROW 2
        row2.setLayout(layout2);
        row2.add(testlabel2);
        option1.add(rep3);
        option1.add(rep4);
        row2.setLayout(layout2);
        row2.add(rep3);
        row2.add(rep4);  
        add(row2);
//        GRAPHIC ROW 3
        row3.setLayout(layout3);
        row3.add(testlabel3);
        option2.add(rep5);
        option2.add(rep6);
        row3.setLayout(layout3);
        row3.add(rep5);
        row3.add(rep6);  
        add(row3);
//        Graphic ROW 4
        row4.setLayout(layout4);
        JButton calaculBtn = new JButton("Calculer");
        row4.add(calaculBtn, BorderLayout.NORTH);
        row4.add(testlabel4);
        add(testlabel4);
        add(calaculBtn);
        FlowLayout flo = new FlowLayout();
        setLayout(flo);
        add(calaculBtn);
//        Events
        rep1.addItemListener(this);
        rep3.addItemListener(this);
        rep5.addItemListener(this);
        calaculBtn.addActionListener(new ActionListener(){
             public void actionPerformed(ActionEvent event) {
    String Calculer = event.getActionCommand();
 
  while (Calculer == event.getSource() ) {
       clcScore = (rep++)/2;
       testlabel4.setText(Integer.toString(clcScore));
   }
 
 
}
        });
 
        setVisible(true); 
 
 
    }
    /**
     *
     * @param e
     */
    public void itemStatechanged(ItemEvent event){
        if(event.getStateChange() == ItemEvent.SELECTED){
            rep=1;
        } else if(event.getStateChange() == ItemEvent.DESELECTED){
            rep = 0;
        }
    }
 
 
 
 
    /**
     *
     * @param event
     */
 
 
    private void setLookAndFeel() {
try {
UIManager.setLookAndFeel(
 "com.sun.java.swing.plaf.nimbus.NimbusLookAndFeel"
);
} catch (Exception exc) {
//    ignior errors
}
 
 
}/**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        // TODO code application logic here
        Score Sc = new Score();
 
 
    }
 
    @Override
    public void itemStateChanged(ItemEvent ie) {
        throw new UnsupportedOperationException("Not supported yet.");
    }
 
    @Override
    public void actionPerformed(ActionEvent ae) {
        throw new UnsupportedOperationException("Not supported yet.");
    }
 
 
 
 
 
}

thanks .