Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.awt.BorderLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.text.DateFormat;
import java.util.Date;

import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.Timer;

public class Main {

    public static void main(String[] args) {
        JFrame frame = new JFrame();
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        frame.add(new ClockPane());
        frame.pack();
        frame.setVisible(true);
    }
}

class ClockPane extends JPanel {

    private JLabel clock = new JLabel();

    public ClockPane() {
        setLayout(new BorderLayout());
        tickTock();
        add(clock);
        Timer timer = new Timer(500, new ActionListener() {
            @Override
            public void actionPerformed(ActionEvent e) {
                tickTock();
            }
        });
        timer.setRepeats(true);
        timer.setCoalesce(true);
        timer.setInitialDelay(0);
        timer.start();
    }

    public void tickTock() {
        clock.setText(DateFormat.getDateTimeInstance().format(new Date()));
    }
}