//Digital Clock mini project

import java.awt.*;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import javax.swing.*;
import javax.swing.border.EmptyBorder;

public class Clock extends JFrame {

    Calendar calendar;
    SimpleDateFormat timeFormat;
    SimpleDateFormat dayFormat;
    SimpleDateFormat dateFormat;

    JLabel timeLabel;
    JLabel dayLabel;
    JLabel dateLabel;
    String time;
    String day;
    String date;

    Clock() {

        this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        this.setTitle("Digital Clock");
        this.setLayout(new FlowLayout());

        this.setResizable(false);

        timeFormat = new SimpleDateFormat("hh:mm:ss a");
        dayFormat = new SimpleDateFormat("EEEE");
        dateFormat = new SimpleDateFormat("dd MMMMM, yyyy");
        timeLabel = new JLabel();
        timeLabel.setFont(new Font("SANS_SERIF", Font.PLAIN, 59));
        timeLabel.setBackground(Color.BLACK);
        timeLabel.setForeground(Color.WHITE);
        timeLabel.setOpaque(true);
        dayLabel = new JLabel();
        dayLabel.setFont(new Font("Ink Free", Font.BOLD, 34));

        dateLabel = new JLabel();
        dateLabel.setFont(new Font("Ink Free", Font.BOLD, 30));

        //Creating JPanel to add all the content.
        // Used Box layout to align components on Y-axis.
        JPanel mainPanel = new JPanel();
        mainPanel.setLayout(new BoxLayout(mainPanel, BoxLayout.Y_AXIS));
        mainPanel.setBorder(BorderFactory.createEmptyBorder(10, 10, 10, 10));
        mainPanel.setPreferredSize(new Dimension(400, 170));

        mainPanel.add(timeLabel);
        mainPanel.add(dayLabel);
        mainPanel.add(dateLabel);

        this.add(mainPanel);
        this.setVisible(true);
        this.pack();
        setTimer();
    }

    public void setTimer() {
        while (true) {
            time = timeFormat.format(Calendar.getInstance().getTime());
            timeLabel.setText(time);

            day = dayFormat.format(Calendar.getInstance().getTime());
            dayLabel.setText(day);

            date = dateFormat.format(Calendar.getInstance().getTime());
            dateLabel.setText(date);

            try {
                Thread.sleep(1000);
            } catch (Exception e) {
                e.getStackTrace();
            }
        }
    }

    public static void main(String[] args) {
        new Clock();
    }
}