Example using JProgressBar Java Swing

progress.java

// Java Program to create a 
// simple progress bar 
import java.awt.*; 
import javax.swing.*; 
import java.awt.event.*; 
public class progress extends JFrame { 

	// create a frame 
	static JFrame f; 

	static JProgressBar b; 

	public static void main(String args[]) 
	{ 

		// create a frame 
		f = new JFrame("ProgressBar demo"); 

		// create a panel 
		JPanel p = new JPanel(); 

		// create a progressbar 
		b = new JProgressBar(); 

		// set initial value 
		b.setValue(0); 

		b.setStringPainted(true); 

		// add progressbar 
		p.add(b); 

		// add panel 
		f.add(p); 

		// set the size of the frame 
		f.setSize(500, 500); 
		f.setVisible(true); 

		fill(); 
	} 

	// function to increase progress 
	public static void fill() 
	{ 
		int i = 0; 
		try { 
			while (i <= 100) { 
				// fill the menu bar 
				b.setValue(i + 10); 

				// delay the thread 
				Thread.sleep(1000); 
				i += 20; 
			} 
		} 
		catch (Exception e) { 
		} 
	} 
}