✔ Frage zu TimerTask / Timer

final long interval = 1000*60*60*24*7;
		
Timer timer = new Timer();
Calendar calendar = Calendar.getInstance();
calendar.set( Calendar.DAY_OF_WEEK, Calendar.SUNDAY );
calendar.set( Calendar.HOUR_OF_DAY, 23 );
calendar.set( Calendar.MINUTE, 50 );
Date date = calendar.getTime();
		
timer.schedule( new TestTask(), date, interval );

   /**
    * 
    */
   package de.tutorials;
   
   import java.text.SimpleDateFormat;
   import java.util.Date;
   import java.util.Timer;
   import java.util.TimerTask;
   
   /**
    * @author daritho
    * 
    */
   public class TimerTaskExample {
   
   	/**
   	 * @param args
   	 */
   	public static void main(String[] args) throws Exception {
   		Timer timer = new Timer();
   
   		final long INTERVAL_ONE_WEEK = 1000 * 60 * 60 * 24 * 7;
   
   		// Sonntag um 23:50
   		//Bzw. hier Code zum ermitteln des naechst gelegenen Sonntags...
   		Date startTime = new SimpleDateFormat("dd.MM.yyyy HH:mm")
   				.parse("23.10.2005 23:50");
   
   		timer.scheduleAtFixedRate(new TimerTask() {
   			public void run() {
   				System.out.println("Foo");
   			}
   		}, startTime, INTERVAL_ONE_WEEK);
   	}
   }

  /**
   * 
   */
  package de.tutorials;
  
  import java.text.SimpleDateFormat;
  import java.util.Calendar;
  import java.util.Date;
  import java.util.GregorianCalendar;
  
  /**
   * @author Tom
   * 
   */
  public class DetermineNextSundayExample {
  	/**
  	 * @param args
  	 */
  	public static void main(String[] args) throws Exception {
    		SimpleDateFormat sdf = new SimpleDateFormat("dd.MM.yyyy");
  		Date date = sdf.parse("29.08.2005");
  		System.out.println(date);
  		Date nextSunday = getNextSundayFor(date);
  		System.out.println(nextSunday);
  	}
  
  	private static Date getNextSundayFor(Date date) {
  		GregorianCalendar calendar = new GregorianCalendar();
  		calendar.setTime(date);
  		calendar.add(Calendar.DAY_OF_MONTH, 8 - calendar
  				.get(Calendar.DAY_OF_WEEK));
  		return calendar.getTime();
  	}
  
  }