Java Timer定制每天特定时间执行任务

package com.segsec.gisap; import java.util.Calendar; import java.util.Date; import java.util.Timer; import java.util.TimerTask; /**** * TimerTask与Timer * timer定制每天特定时间执行任务 * @author bruceleey * */ public class TestTimer { static int count = 0; public static void showTimer() { TimerTask task = new TimerTask() { @Override public void run() { ++count; System.out.println("count执行了-->" + count); // 1次 } }; Calendar calendar = Calendar.getInstance(); int year = calendar.get(Calendar.YEAR); int month = calendar.get(Calendar.MONTH)+1; int day = calendar.get(Calendar.DAY_OF_MONTH); /*** 定制每日00：24：00执行方法 ***/ calendar.set(year, month, day, 24, 24, 00); Date date = calendar.getTime(); Timer timer = new Timer(); timer.schedule(task, date); } public static void main(String[] args) { showTimer(); } }

package com.segsec.gisap; import java.util.Timer; import java.util.TimerTask; public class EggTimer { private final Timer timer = new Timer(); private final int minutes; public EggTimer(int minutes) { this.minutes = minutes; } public void start() { timer.schedule(new TimerTask() { public void run() { playSound(); timer.cancel(); } private void playSound() { System.out.println("Your egg is ready!"); // Start a new thread to play a sound... } }, minutes * 60 * 1000); } public static void main(String[] args) { EggTimer eggTimer = new EggTimer(2); eggTimer.start(); } }