Progress bar after button click ------ code included . need help

Question

Hi,
this is my code. i want the progress bar to move after i click the OK button but its not working. Need help urgently.
public class LoggenGUI extends JFrame implements ActionListener{
private JButton btnOk;
private JProgressBar current;
public LoggenGUI() {
super("Login");
this.setBounds(350,225,350,235);
// this.setSize(300,300);
this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
this.setResizable(false);
this.btnOk = new JButton("Ok");
// associating action event listener to it
this.btnOk.addActionListener(this);
this.current = new JProgressBar(0,2000);
this.current.setValue(0);
this.current.setStringPainted(true);
this.setContentPane(pane);
this.setVisible(true)
}// end constructor
public void iterate(){ 
while(this.num < 2000){
this.current.setValue(this.num);
try{
Thread.sleep(1000);
}catch(InterruptedException e)
this.num= this.num + 200;
if(this.num >= 2000)
this.dispose();
this.prgrBar = new ProgressBar();
this.current.setStringPainted(true);
public void actionPerformed(ActionEvent evt){
Object source = evt.getSource();
if(source == this.btnOk){    this.iterate();    }
} // end class

Answer 1

You keep posting this question every day. Do you
think you are going to get a different answer each
time you posted it without reading what others have
told you to do!"Insanity: doing the same thing over and over again and expecting different results." --- A. Einstein