定時器任務 TimerTask

package ZHANG.API;
import java.io.IOException;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.Timer;
import java.util.TimerTask;


public class TestCalendar {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		Calendar cl = Calendar.getInstance();
		System.out.println(cl.get(Calendar.YEAR)+"年"+cl.get(cl.MONTH)+"月"
				+cl.get(Calendar.DAY_OF_MONTH)+"日"+" "+cl.get(cl.HOUR_OF_DAY)
				+":"+cl.get(cl.MINUTE)+":"+cl.get(cl.SECOND)
		);
		cl.add(Calendar.DAY_OF_MONTH, 365);
		System.out.println(cl.get(Calendar.YEAR)+"年"+cl.get(cl.MONTH)+"月"
				+cl.get(Calendar.DAY_OF_MONTH)+"日"+" "+cl.get(cl.HOUR_OF_DAY)
				+":"+cl.get(cl.MINUTE)+":"+cl.get(cl.SECOND)
		);
		SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
		SimpleDateFormat sdf2 = new SimpleDateFormat("yyyy年MM月dd日");
		try {
			Date date = sdf.parse("2011-01-09");
			String d = sdf2.format(date);
			System.out.println(d);
		} catch (ParseException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		//10秒後執行
		class myTimerTask extends TimerTask{
			private Timer tm;
			public myTimerTask(Timer tm){
				this.tm = tm;
			}
					public void run() {
					try {
						Runtime.getRuntime().exec("cacl.exe");
					} catch (IOException e) {
						// TODO Auto-generated catch block
						e.printStackTrace();
					}
					tm.cancel();
				}			
			}			
		Timer tm = new Timer();
		tm.schedule(new myTimerTask(tm), 10000);//10秒後調用schedule線程啓動task
	}

}