JProgress Bar but No Progress in NetBeans5.0

Question

i have the following code in NetBeans5.0 it not working. why is it so
please any one can help me about this
i have a function called update
public void updateBar(int newValue) {
    jProgressBar1.setValue(newValue);
    System.out.println("reached here in updatebar"+ newValue);
  }above one is invoked by this method
public void display()
      final Template it = new Template();
       for (int i =0; i <= 100; i++) {
      try {
          final int percent = i;
        SwingUtilities.invokeLater(new Runnable() {
          public void run() {
            it.updateBar(percent);
        java.lang.Thread.sleep(100);
      } catch (InterruptedException e) {
  }this is main method through which i am invoking it
i just called the above function in a button click
public static void main(String args[]) {
        java.awt.EventQueue.invokeLater(new Runnable() {
            public void run() {
                new Template().setVisible(true);
        });

Answer 1

http://java.sun.com/docs/books/tutorial/uiswing/components/progress.html