DigitalClock.java

package digitalClock;

import javax.swing.*;
import java.awt.*;
import java.text.SimpleDateFormat;
import java.util.Date;

public class DigitalClock extends JFrame {
    private JLabel clockLabel;

    public DigitalClock() {
        setTitle("Digital Clock");
        setSize(200, 100);
        setUndecorated(true);
        setAlwaysOnTop(true);
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

        ClockPanel panel = new ClockPanel();
        panel.setLayout(new BorderLayout());

        clockLabel = new JLabel("", JLabel.CENTER);
        clockLabel.setFont(new Font("Arial", Font.BOLD, 28));
        clockLabel.setForeground(Color.YELLOW);

        panel.add(clockLabel, BorderLayout.CENTER);
        add(panel);

        new Timer(1000, e -> updateClock()).start();

        updateClock();
        setLocationRelativeTo(null);
        setVisible(true);
    }

    private void updateClock() {
        clockLabel.setText(new SimpleDateFormat("hh:mm:ss a").format(new Date()));
    }

    class ClockPanel extends JPanel {
        private final Image backgroundImage;

        ClockPanel() {
			backgroundImage = new ImageIcon("media/background.png").getImage();
        }

        protected void paintComponent(Graphics g) {
            super.paintComponent(g);
            g.drawImage(backgroundImage, 0, 0, getWidth(), getHeight(), this);
        }
    }

    public static void main(String[] args) {
        SwingUtilities.invokeLater(DigitalClock::new);
    }
}