69_MouseListener

// JColorChooser = A GUI mechanism that let's a user choose a color
<Main.java>
public class Main {
    public static void main(String[] args) {

        new MyFram();

    }
}

<MyFram.java>
import javax.swing.*;
import java.awt.*;

public class ProgressBarDemo {
    JFrame frame = new JFrame();
    JProgressBar bar = new JProgressBar();

    ProgressBarDemo(){

        bar.setValue(0);
        bar.setBounds(0,0,420,50);
        bar.setStringPainted(true); //percentage will change when set value
        bar.setFont(new Font("MV Boli",Font.BOLD,25));
        bar.setForeground(Color.red); //fill colour
        bar.setBackground(Color.black); //bar ori colour unfilled

        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        frame.setSize(420,420);
        frame.setLayout(null);
        frame.setVisible(true);
    }
}