Tugas PBO B Digital Clock

Nama: Chrisnady Anggaiswara

NRP:  5111640000153

Kelas: PBO B

Disini ada 2 class yang digunakan, yaitu class DigitalClock untuk menjalankan programnya, dan class ClockLabel untuk menampilkan waktunya. Berikut source codenya:

1. Digital Clock

 /**  
  * Executioner program  
  *  
  * @author (Chrisnady Anggaiswara)  
  * @version (1)  
  */  
 import java.awt.Font;  
 import java.awt.Color;  
 import java.awt.GridLayout;  
 import java.awt.event.ActionEvent;  
 import java.awt.event.ActionListener;  
 import javax.swing.JFrame;  
 import javax.swing.JLabel;  
 import javax.swing.Timer;  
 import javax.swing.SwingConstants;  
 import java.util.*;  
 import java.text.*;  
 public class DigitalClock {  
  public static void main(String[] arguments) {  
   ClockLabel dateLable = new ClockLabel("date");  
   ClockLabel timeLable = new ClockLabel("time");  
   ClockLabel dayLable = new ClockLabel("day");  
   JFrame.setDefaultLookAndFeelDecorated(true);  
   JFrame f = new JFrame("Digital Clock");  
   f.setSize(300,150);  
   f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);  
   f.setLayout(new GridLayout(3, 1));  
   f.add(timeLable);  
   f.getContentPane().setBackground(Color.black);  
   f.setVisible(true);  
  }  
 }  

2. ClockLabel

 /**  
  * LabelClock/CLock program  
  *  
  * @author (Chrisnady Anggaiswara)  
  * @version (1)  
  */  
 import java.awt.Font;  
 import java.awt.Color;  
 import java.awt.GridLayout;  
 import java.awt.event.ActionEvent;  
 import java.awt.event.ActionListener;  
 import javax.swing.JFrame;  
 import javax.swing.JLabel;  
 import javax.swing.Timer;  
 import javax.swing.SwingConstants;  
 import java.util.*;  
 import java.text.*;  
 class ClockLabel extends JLabel implements ActionListener {  
  String type;  
  SimpleDateFormat sdf;  
  public ClockLabel(String type) {  
   this.type = type;  
   setForeground(Color.green);  
   switch (type) {  
    case "time" : sdf = new SimpleDateFormat("hh:mm:ss a");  
           setFont(new Font("sans-serif", Font.PLAIN, 40));  
           setHorizontalAlignment(SwingConstants.CENTER);  
           break;  
    default   : sdf = new SimpleDateFormat();  
           break;  
   }  
   Timer t = new Timer(1000, this);  
   t.start();  
  }  
  public void actionPerformed(ActionEvent ae) {  
   Date d = new Date();  
   setText(sdf.format(d));  
  }  
 }  

3.Hasil Jam