change color of JProgressBar

i have a JProgressBar which I am using during a Task

is it possible to change the color of progress bar (default is orange to say green) when the process is finished,

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Bart CremersJava ArchitectCommented:
Your task already has a way to let your JProgressbar now the current progress (set the value of the JProgressbar). At the end of your task you can also let it change the color:
import javax.swing.*;
import java.awt.*;
import java.util.Random;
import java.util.concurrent.TimeUnit;
public class Test extends JFrame {
    private JProgressBar bar;
    public static void main(String[] args) throws Exception {
        Test test = new Test();
        Task task = new Task(test);
        new Thread(task).start();
    protected void frameInit() {
        bar = new JProgressBar(0, 100);
    public void setProgress(int value) {
    public void setFinished() {
class Task implements Runnable {
    private Test feedback;
    public Task(Test test) { = test;
    public void run() {
        try {
            Random rnd = new Random();
            int value = 0;
            while (value < 100) {
                TimeUnit.MILLISECONDS.sleep(rnd.nextInt(400) + 300);
                value += rnd.nextInt(25) + 5;
                value = Math.min(value, 100);
        } catch (InterruptedException e) {

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