GUI question

hello,
i have question regarding adding an additional GUI to an existing GUI.

i have the following placed inside of the action listener of a
button:

i am trying to implement the following but all i am getting is a
second blank popup window (no progress bar).

this UI is popped up after i click a "go!" button. the
meat of the analysis code executes.

once this starts i would like to watch my progress bar do what it is
made to do. you know. progress!
[code]

public void actionPerformed(ActionEvent arg0) {

JFrame1.setSize(270, 250);
JFrame1.setLocation(200, 200);
JFrame1.setResizable(false);
Insets insets = JFrame1.getInsets();
        JFrame1.setLayout(null);
            JProgressBar JProgressBar1=new JProgressBar(0,100);
            JProgressBar1.setValue(50);
            JProgressBar1.setStringPainted(true);
            Dimension size=JProgressBar1.getPreferredSize();

JProgressBar1.setBounds(insets.left,insets.top,size.width,size.height);
            JFrame1.add(JProgressBar1);
                JFrame1.setVisible(true); //i can see this. and all
the applied choices are true. i cannot resize and it appears where it
should at the correct size. but lo and behold, not progressbar.

         for (int i=0;i<=Out.size()-1;i++){

                JProgressBar1.setValue(i);
//other operations..
           }
System.exit(0);