Main.java Source code

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Here is the source code for Main.java

Source

import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JProgressBar;
import javax.swing.Timer;

public class Main {

    public static void main(String[] args) {
        CountUpProgressBar cdpb = new CountUpProgressBar();
    }
}

class CountUpProgressBar extends JPanel {
    JProgressBar bar = new JProgressBar(JProgressBar.HORIZONTAL, 0, 100);
    JLabel label = new JLabel("", JLabel.CENTER);
    Timer timer = new Timer(100, new ActionListener() {
        int counter = 1;

        @Override
        public void actionPerformed(ActionEvent ae) {
            label.setText(String.valueOf(counter));
            bar.setValue(++counter);
            if (counter > 100) {
                timer.stop();
            }
        }
    });

    CountUpProgressBar() {
        super.setLayout(new GridLayout(0, 1));
        bar.setValue(0);
        timer.start();
        this.add(bar);
        this.add(label);
        JOptionPane.showMessageDialog(null, this);
    }
}