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java-multithread timer包更新至example2 · Java-architect/java-learning@a4e02b3 · GitHub

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java-multithread timer包更新至example2
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‎java-multithread/src/main/java/com/brianway/learning/java/multithread/timer/example1/MyTask.java‎

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package com.brianway.learning.java.multithread.timer.example1;
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import java.util.Date;
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import java.util.TimerTask;
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/**
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* Created by Brian on 2016/4/15.
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*/
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public class MyTask extends TimerTask{
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@Override
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public void run() {
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System.out.println("任务执行了，时间为："+new Date());
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}
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}

‎java-multithread/src/main/java/com/brianway/learning/java/multithread/timer/example1/Run1_timer1.java‎

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package com.brianway.learning.java.multithread.timer.example1;
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import java.util.Calendar;
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import java.util.Date;
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import java.util.Timer;
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/**
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* Created by Brian on 2016/4/15.
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*/
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/**
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* P242
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* schedule(TimerTask task, Date time)测试，在未来执行的效果
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* Timer的构造方法会新启一个线程，且非守护线程
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*/
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public class Run1_timer1 {
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public static void main(String[] args) {
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System.out.println("当前时间为："+new Date());
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Calendar calendar = Calendar.getInstance();
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calendar.add(Calendar.SECOND,5);
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Date runDate = calendar.getTime();
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MyTask task = new MyTask();
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Timer timer = new Timer();
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timer.schedule(task,runDate);
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}
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}
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/*
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输出：
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当前时间为：Fri Apr 15 22:10:14 CST 2016
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任务执行了，时间为：Fri Apr 15 22:10:19 CST 2016
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*/

‎java-multithread/src/main/java/com/brianway/learning/java/multithread/timer/example1/Run1_timer2.java‎

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package com.brianway.learning.java.multithread.timer.example1;
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import java.util.Calendar;
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import java.util.Date;
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import java.util.Timer;
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/**
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* Created by Brian on 2016/4/15.
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*/
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/**
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* P243
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* schedule(TimerTask task, Date time)测试，在未来执行的效果
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* Timer的构造方法会新启一个守护线程
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* 迅速结束，task任务未被执行
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*/
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public class Run1_timer2 {
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public static void main(String[] args) {
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System.out.println("当前时间为："+new Date());
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Calendar calendar = Calendar.getInstance();
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calendar.add(Calendar.SECOND,5);
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Date runDate = calendar.getTime();
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MyTask task = new MyTask();
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Timer timer = new Timer(true);//守护线程
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timer.schedule(task,runDate);
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}
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}
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/*
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输出：
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当前时间为：Fri Apr 15 22:12:28 CST 2016
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*/

‎java-multithread/src/main/java/com/brianway/learning/java/multithread/timer/example1/Run1_timer3.java‎

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package com.brianway.learning.java.multithread.timer.example1;
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import java.util.Calendar;
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import java.util.Date;
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import java.util.Timer;
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/**
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* Created by Brian on 2016/4/15.
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*/
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/**
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* P244
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* schedule(TimerTask task, Date time)测试，提前运行的效果
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*/
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public class Run1_timer3 {
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public static void main(String[] args) {
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System.out.println("当前时间为："+new Date());
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Calendar calendar = Calendar.getInstance();
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calendar.set(Calendar.SECOND,calendar.get(Calendar.SECOND)-10);
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Date runDate = calendar.getTime();
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System.out.println("计划时间为："+ runDate);
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MyTask task = new MyTask();
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Timer timer = new Timer();
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timer.schedule(task,runDate);
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}
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}
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/*
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输出：
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当前时间为：Fri Apr 15 22:15:40 CST 2016
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计划时间为：Fri Apr 15 22:15:30 CST 2016
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任务执行了，时间为：Fri Apr 15 22:15:40 CST 2016
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*/

‎java-multithread/src/main/java/com/brianway/learning/java/multithread/timer/example1/Run1_timer4.java‎

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package com.brianway.learning.java.multithread.timer.example1;
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import java.util.Calendar;
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import java.util.Date;
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import java.util.Timer;
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/**
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* Created by Brian on 2016/4/15.
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*/
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/**
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* P245
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* schedule(TimerTask task, Date time)测试，多个TimerTask任务及延时
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*/
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public class Run1_timer4 {
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public static void main(String[] args) {
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System.out.println("当前时间为："+new Date());
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Calendar calendar = Calendar.getInstance();
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calendar.add(Calendar.SECOND,5);
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Date runDate = calendar.getTime();
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System.out.println("计划时间为："+ runDate);
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Calendar calendar2 = Calendar.getInstance();
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calendar.add(Calendar.SECOND,10);
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Date runDate2 = calendar2.getTime();
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System.out.println("计划时间为："+ runDate2);
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MyTask task1 = new MyTask();
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MyTask task2 = new MyTask();
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Timer timer = new Timer();
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timer.schedule(task1,runDate);
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timer.schedule(task2,runDate);
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}
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}
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/*
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输出：
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当前时间为：Fri Apr 15 22:24:08 CST 2016
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计划时间为：Fri Apr 15 22:24:13 CST 2016
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计划时间为：Fri Apr 15 22:24:08 CST 2016
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任务执行了，时间为：Fri Apr 15 22:24:13 CST 2016
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任务执行了，时间为：Fri Apr 15 22:24:13 CST 2016
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*/

‎java-multithread/src/main/java/com/brianway/learning/java/multithread/timer/example1/Run1_timer5.java‎

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package com.brianway.learning.java.multithread.timer.example1;
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import java.util.Calendar;
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import java.util.Date;
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import java.util.Timer;
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/**
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* Created by Brian on 2016/4/15.
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*/
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/**
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* P246
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* schedule(TimerTask task, Date time)测试，多个TimerTask任务及延时
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* 队列的方式，一个一个被顺序执行，前面一个耗时长则后面的任务被延后
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*/
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public class Run1_timer5 {
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public static void main(String[] args) {
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System.out.println("当前时间为："+new Date());
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Calendar calendar = Calendar.getInstance();
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Date runDate = calendar.getTime();
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System.out.println("A计划时间为："+ runDate);
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Calendar calendar2 = Calendar.getInstance();
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calendar2.add(Calendar.SECOND,5);
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Date runDate2 = calendar2.getTime();
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System.out.println("B计划时间为："+ runDate2);
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TaskA task1 = new TaskA();
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TaskB task2 = new TaskB();
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Timer timer = new Timer();
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timer.schedule(task1,runDate);
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timer.schedule(task2,runDate);
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}
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}
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/*
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输出：
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当前时间为：Fri Apr 15 22:39:30 CST 2016
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A计划时间为：Fri Apr 15 22:39:30 CST 2016
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B计划时间为：Fri Apr 15 22:39:35 CST 2016
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A begin timer=Fri Apr 15 22:39:30 CST 2016
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A end timer=Fri Apr 15 22:39:40 CST 2016
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B begin timer=Fri Apr 15 22:39:40 CST 2016
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B end timer=Fri Apr 15 22:39:40 CST 2016
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*/

‎java-multithread/src/main/java/com/brianway/learning/java/multithread/timer/example1/TaskA.java‎

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package com.brianway.learning.java.multithread.timer.example1;
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import java.util.Date;
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import java.util.TimerTask;
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/**
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* Created by Brian on 2016/4/15.
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*/
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public class TaskA extends TimerTask{
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@Override
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public void run() {
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try {
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System.out.println("A begin timer="+new Date());
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Thread.sleep(10000);
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System.out.println("A end timer="+new Date());
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} catch (InterruptedException e) {
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e.printStackTrace();
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}
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}
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}

‎java-multithread/src/main/java/com/brianway/learning/java/multithread/timer/example1/TaskB.java‎

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package com.brianway.learning.java.multithread.timer.example1;
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import java.util.Date;
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import java.util.TimerTask;
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/**
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* Created by Brian on 2016/4/15.
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*/
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public class TaskB extends TimerTask{
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@Override
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public void run() {
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System.out.println("B begin timer="+new Date());
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System.out.println("B end timer="+new Date());
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}
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}

‎java-multithread/src/main/java/com/brianway/learning/java/multithread/timer/example2/MyTask.java‎

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package com.brianway.learning.java.multithread.timer.example2;
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import java.util.Date;
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import java.util.TimerTask;
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/**
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* Created by Brian on 2016/4/15.
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*/
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public class MyTask extends TimerTask{
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@Override
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public void run() {
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System.out.println("任务执行了，时间为："+new Date());
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}
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}

‎java-multithread/src/main/java/com/brianway/learning/java/multithread/timer/example2/Run2_period1.java‎

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package com.brianway.learning.java.multithread.timer.example2;
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import com.brianway.learning.java.multithread.timer.example1.TaskA;
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import com.brianway.learning.java.multithread.timer.example1.TaskB;
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import java.util.Calendar;
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import java.util.Date;
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import java.util.Timer;
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/**
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* Created by Brian on 2016/4/15.
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*/
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/**
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* P247
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* schedule(TimerTask task, long delay, long period) 测试，在未来执行的效果
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*/
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public class Run2_period1 {
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public static void main(String[] args) {
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System.out.println("当前时间为："+new Date());
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Calendar calendar = Calendar.getInstance();
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calendar.add(Calendar.SECOND,10);
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Date runDate = calendar.getTime();
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System.out.println("计划时间为："+ runDate);
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MyTask task = new MyTask();
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Timer timer = new Timer();
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timer.schedule(task,runDate,4000);
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}
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}
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/*
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输出：
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当前时间为：Fri Apr 15 22:40:46 CST 2016
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计划时间为：Fri Apr 15 22:40:56 CST 2016
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任务执行了，时间为：Fri Apr 15 22:40:56 CST 2016
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任务执行了，时间为：Fri Apr 15 22:41:00 CST 2016
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任务执行了，时间为：Fri Apr 15 22:41:04 CST 2016
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(一直执行，后面省略)
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*/

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