Java: while loop freezes program

Question

I\'m making a game and i need to update the JProgressBar every 3 seconds. To do that i use a while loop. The problem is that my program freezes becuse of the while loop (i read

Answer 1

You will need to use threads for that. But be careful, and don't try to update the GUI component (JProgressBar) from a thread that does not own the progress bar.

You should use SwingUtilities.invokeLater to do that.