import java.awt.*;
import javax.swing.*;

public class JProgressBarTest extends JFrame {
    
    public static void main(String[] args) throws Exception {
        JProgressBarTest t = new JProgressBarTest();
        t.createAndShowGUI();
    }
    private void createAndShowGUI() throws Exception {
        getContentPane().setLayout(new FlowLayout());
        JProgressBar rtlProgressBar = new JProgressBar(0, 100);
        rtlProgressBar.setValue(30);
        rtlProgressBar.setBorderPainted(false);
        rtlProgressBar.applyComponentOrientation(ComponentOrientation.RIGHT_TO_LEFT);
        
        
        JProgressBar ltrrogressBar = new JProgressBar(0, 100);
        ltrrogressBar.setValue(30);
        
        getContentPane().add(new JLabel("RTL progress bar:"));
        getContentPane().add(rtlProgressBar);
        getContentPane().add(new JLabel("LTR progress bar:"));
        getContentPane().add(ltrrogressBar);
        setSize(300,300);
        setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
        setVisible(true);
    }
}