Java Code Penjadwal Loop Runtask

Penjadwalan pada: Sun Jan 01 10:20:55 ICT 2017
Tut..tut...
Selesai...
dilaksanakan [Tue Jan 17 14:51:32 ICT 2017]
dilaksanakan [Tue Jan 17 14:51:37 ICT 2017]
dilaksanakan [Tue Jan 17 14:51:42 ICT 2017]
dilaksanakan [Tue Jan 17 14:51:47 ICT 2017]
dilaksanakan [Tue Jan 17 14:51:52 ICT 2017]
dilaksanakan [Tue Jan 17 14:51:57 ICT 2017]
dilaksanakan [Tue Jan 17 14:52:02 ICT 2017]
dilaksanakan [Tue Jan 17 14:52:07 ICT 2017]

.....

+++++

package okdeh;

import java.util.Date;

import java.util.Timer;

import java.util.TimerTask;

import java.text.SimpleDateFormat;

import java.text.ParseException;

public class Penjadwal {

  public static void penjadwalSekali(String tgl) {

TimerTask task = new TimerTask() {

public void run() {

// Simulasi task, pesan teks

System.out.println("Tut..tut...");

System.out.println("Selesai...");

}

};

String pola = "dd/MM/yyyy H:mm:ss";

try {

SimpleDateFormat sdf = new SimpleDateFormat(pola);

sdf.setLenient(false);

Date dt = sdf.parse(tgl);

System.out.println("Penjadwalan pada: " + dt);

Timer tmr = new Timer();

tmr.schedule(task, dt);

} catch (ParseException ex) {

System.out.println("Error: " + ex.getMessage());

} catch (IllegalArgumentException ex) {

System.out.println("Tidak valid: " + ex.getMessage());

}

  }

  public static void penjadwalBerulang(int periode) {

TimerTask task = new TimerTask() {

public void run() {

System.out.println("dilaksanakan [" + new Date() +"]");

}

};

Timer tmr = new Timer();

tmr.scheduleAtFixedRate(task, 0, periode);

  }

  public static void main (String[] args) {

penjadwalSekali("01/1/2017 10:20:55");

    // Penjadwalan berulang, setiap 5 detik

penjadwalBerulang(5000);

  }

}