import java.awt.Color;import javax.swing.JProgressBar;import javax.swing.JFrame;import javax.swing.JPanel;import java.awt.Dimension;import java.awt.FlowLayout; public class JProgressBarDemo{ public static void main (String[] args) {  JProgressBar progressBar = new JProgressBar (JProgressBar.VERTICAL, 10, 100);  progressBar.setBackground (Color.white);  progressBar.setForeground (Color.red);  progressBar.setValue (40);  progressBar.setString ("progressBar");      JPanel panel = new JPanel (new FlowLayout (FlowLayout.LEFT));  panel.setPreferredSize (new Dimension (600,400));  panel.add (progressBar);      JFrame frame = new JFrame ("JProgressBarDemo");  frame.setDefaultCloseOperation (JFrame.EXIT_ON_CLOSE);  frame.setContentPane (panel);  frame.pack();  frame.show(); }}

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