package cn.lonecloud.test; import java.util.Date; import java.util.Timer; import java.util.TimerTask; /** * * @Title: Test02.java * @Package cn.lonecloud.test * @Description: * @author lonecloud * @date 2016年8月5日 下午4:43:29 */ public class Test02 { public static void main(String[] args) throws Exception{ timer3(); } /** * scheduleAtFixedRate * 对于这个来说这里的时间是根据你的传入的时间来算 * 不管你是否线程休眠与否都要一开始执行 * @Description: * @throws Exception */ public static void timer3() throws Exception{ Date date = new Date(); Timer timer = new Timer(); Thread.sleep(9000); timer.scheduleAtFixedRate(new TimerTask() { public void run() { System.out.println(new Date()); } }, date, 1000); } /** * 运行9秒后运行结果 * Fri Aug 05 16:46:41 CST 2016 Fri Aug 05 16:46:41 CST 2016 Fri Aug 05 16:46:41 CST 2016 Fri Aug 05 16:46:41 CST 2016 Fri Aug 05 16:46:41 CST 2016 Fri Aug 05 16:46:41 CST 2016 Fri Aug 05 16:46:41 CST 2016 Fri Aug 05 16:46:41 CST 2016 Fri Aug 05 16:46:41 CST 2016 Fri Aug 05 16:46:41 CST 2016 Fri Aug 05 16:46:42 CST 2016 Fri Aug 05 16:46:43 CST 2016 Fri Aug 05 16:46:44 CST 2016 Fri Aug 05 16:46:45 CST 2016 */ }
package cn.lonecloud.test; import java.util.Date; import java.util.Timer; import java.util.TimerTask; public class Test01 { public static void main(String[] args)throws Exception { timer2(); } /** * schedule * 线程休眠9s后执行 * @Description: * @throws Exception */ public static void timer2() throws Exception { Date date = new Date(); System.out.println(date); Timer timer = new Timer(); Thread.sleep(9000); timer.schedule(new TimerTask() { public void run() { System.out.println(new Date()); } }, date, 1000); } /** * 结果: * Fri Aug 05 16:48:56 CST 2016 Fri Aug 05 16:49:05 CST 2016 Fri Aug 05 16:49:06 CST 2016 Fri Aug 05 16:49:07 CST 2016 Fri Aug 05 16:49:08 CST 2016 Fri Aug 05 16:49:09 CST 2016 Fri Aug 05 16:49:10 CST 2016 */ }
时间: 2024-11-05 16:03:26