Java tutorial
import javax.swing.JFrame; import javax.swing.JPanel; import javax.swing.JProgressBar; public class Main extends JFrame { JProgressBar current = new JProgressBar(0, 2000); int num = 0; public Main() { setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); JPanel pane = new JPanel(); current.setValue(0); current.setStringPainted(true); pane.add(current); setContentPane(pane); } public void iterate() { while (num < 2000) { current.setValue(num); try { Thread.sleep(1000); } catch (InterruptedException e) { } num += 95; } } public static void main(String[] arguments) { Main frame = new Main(); frame.pack(); frame.setVisible(true); frame.iterate(); } }