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java-multihread更新至example10 · JavaDevelopRep/java-learning@efe41c4 · GitHub

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java-multihread更新至example10
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‎README.md‎

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不定时进行调整和补充，需要关注更新的请 Watch、Star、Fork
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如果你只是单纯要阅读的话，建议移步CSDN或者oschina上观看，访问速度快很多：
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>* CSDN:[我的java&javaweb学习笔记(汇总)](http://blog.csdn.net/h3243212/article/details/50659471)
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>* oschina:[我的java&javaweb学习笔记(汇总)](http://my.oschina.net/brianway/blog/614355)
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# 博客文档
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如果你只是单纯要阅读的话，建议移步CSDN或者oschina上观看，访问速度快很多：
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>* CSDN:[我的java&javaweb学习笔记(汇总)](http://blog.csdn.net/h3243212/article/details/50659471)
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>* oschina:[我的java&javaweb学习笔记(汇总)](http://my.oschina.net/brianway/blog/614355)
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**博客目录**
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- [javase](/blogs/javase)

‎java-multithread/src/main/java/com/brianway/learning/java/multithread/synchronize/exmaple10/Run10_synBlockMoreObjectOneLock.java‎

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package com.brianway.learning.java.multithread.synchronize.exmaple10;
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/**
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* Created by brian on 2016/4/13.
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*/
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import org.omg.CORBA.PUBLIC_MEMBER;
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/**
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* P101
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* 验证同步sychronized(class)代码块的作用
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* 顺便验证了下static方法是不能复写的
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* @see ServiceSub,ServiceSub2
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*/
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public class Run10_synBlockMoreObjectOneLock {
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public static void main(String[] args) {
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//testSub();
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//testSub2();
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testBlock();
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}
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/**
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* 验证同步sychronized(class)代码块的作用
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*/
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public static void testBlock(){
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final ServiceSub service1 = new ServiceSub();
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final ServiceSub service2 = new ServiceSub();
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Thread a = new Thread(){
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@Override
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public void run() {
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service1.printA();
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}
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};
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a.setName("A");
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a.start();
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Thread b = new Thread(){
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@Override
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public void run() {
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service2.printB();
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}
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};
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b.setName("B");
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b.start();
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}
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/**
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* testSub断点调试结果是运行的Service类的printA方法
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*/
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public static void testSub(){
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ServiceSub service1 = new ServiceSub();
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ServiceSub service2 = new ServiceSub();
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ThreadA a = new ThreadA(service1);
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a.setName("A");
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a.start();
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ThreadB b = new ThreadB(service2);
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b.setName("B");
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b.start();
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}
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/**
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* testSub2断点调试结果是运行的Service类的printA方法
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*/
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public static void testSub2(){
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ServiceSub2 service1 = new ServiceSub2();
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ServiceSub2 service2 = new ServiceSub2();
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ThreadA a = new ThreadA(service1);
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a.setName("A");
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a.start();
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ThreadB b = new ThreadB(service2);
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b.setName("B");
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b.start();
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}
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}
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/*
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输出：
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In ServiceSub
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线程名：A 在 1460480421944进入printA
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线程名：A 在 1460480423944离开printA
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线程名：B 在 1460480423944进入printB
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线程名：B 在 1460480423944离开printB
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---------
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也可能：
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线程名：B 在 1460480476089进入printB
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线程名：B 在 1460480476089离开printB
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In ServiceSub
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线程名：A 在 1460480476089进入printA
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线程名：A 在 1460480478089离开printA
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*/

‎java-multithread/src/main/java/com/brianway/learning/java/multithread/synchronize/exmaple10/Run10_synMoreObjectStaticOneLock.java‎

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package com.brianway.learning.java.multithread.synchronize.exmaple10;
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/**
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* Created by brian on 2016/4/13.
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*/
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/**
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* P100
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* Class锁可以对类的所有对象实例起作用
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*/
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public class Run10_synMoreObjectStaticOneLock {
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public static void main(String[] args) {
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Service service1 = new Service();
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Service service2 = new Service();
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ThreadA a = new ThreadA(service1);
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a.setName("A");
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a.start();
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ThreadB b = new ThreadB(service2);
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b.setName("B");
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b.start();
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}
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}
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/*
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输出：
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线程名：A 在 1460479094611进入printA
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线程名：A 在 1460479097611离开printA
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线程名：B 在 1460479097611进入printB
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线程名：B 在 1460479097611离开printB
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*/

‎java-multithread/src/main/java/com/brianway/learning/java/multithread/synchronize/exmaple10/Run10_synTwoLock.java‎

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package com.brianway.learning.java.multithread.synchronize.exmaple10;
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/**
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* Created by brian on 2016/4/13.
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*/
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/**
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* P97
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* 验证synchronized关键字加载static静态方法和加到非静态方法不是同一个锁
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* 一个是Class类上锁，一个是对象上锁
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*/
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public class Run10_synTwoLock {
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public static void main(String[] args) {
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Service service = new Service();
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ThreadA a = new ThreadA(service);
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a.setName("A");
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a.start();
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ThreadB b = new ThreadB(service);
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b.setName("B");
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b.start();
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ThreadC c =new ThreadC(service);
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c.setName("C");
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c.start();
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}
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}
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/*
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输出：
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线程名：A 在 1460478479803进入printA
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线程名：C 在 1460478479808进入printC
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线程名：C 在 1460478479808离开printC
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线程名：A 在 1460478482804离开printA
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线程名：B 在 1460478482804进入printB
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线程名：B 在 1460478482804离开printB
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*/

‎java-multithread/src/main/java/com/brianway/learning/java/multithread/synchronize/exmaple10/Service.java‎

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package com.brianway.learning.java.multithread.synchronize.exmaple10;
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/**
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* Created by brian on 2016/4/13.
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*/
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public class Service {
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synchronized public static void printA(){
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try {
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System.out.println("线程名："+Thread.currentThread().getName()+" 在 "+ System.currentTimeMillis()+"进入printA");
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Thread.sleep(3000);
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System.out.println("线程名："+Thread.currentThread().getName()+" 在 "+ System.currentTimeMillis()+"离开printA");
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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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synchronized public static void printB(){
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System.out.println("线程名："+Thread.currentThread().getName()+" 在 "+ System.currentTimeMillis()+"进入printB");
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System.out.println("线程名："+Thread.currentThread().getName()+" 在 "+ System.currentTimeMillis()+"离开printB");
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}
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synchronized public void printC(){
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System.out.println("线程名："+Thread.currentThread().getName()+" 在 "+ System.currentTimeMillis()+"进入printC");
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System.out.println("线程名："+Thread.currentThread().getName()+" 在 "+ System.currentTimeMillis()+"离开printC");
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}
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}

‎java-multithread/src/main/java/com/brianway/learning/java/multithread/synchronize/exmaple10/ServiceSub.java‎

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package com.brianway.learning.java.multithread.synchronize.exmaple10;
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/**
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* Created by brian on 2016/4/13.
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*/
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public class ServiceSub extends Service {
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public static void printA(){
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synchronized (ServiceSub.class){
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try {
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System.out.println("In ServiceSub");
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System.out.println("线程名："+Thread.currentThread().getName()+" 在 "+ System.currentTimeMillis()+"进入printA");
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Thread.sleep(2000);
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System.out.println("线程名："+Thread.currentThread().getName()+" 在 "+ System.currentTimeMillis()+"离开printA");
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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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}
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public static void printB(){
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synchronized (ServiceSub.class){
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System.out.println("线程名："+Thread.currentThread().getName()+" 在 "+ System.currentTimeMillis()+"进入printB");
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System.out.println("线程名："+Thread.currentThread().getName()+" 在 "+ System.currentTimeMillis()+"离开printB");
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}
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}
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}

‎java-multithread/src/main/java/com/brianway/learning/java/multithread/synchronize/exmaple10/ServiceSub2.java‎

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package com.brianway.learning.java.multithread.synchronize.exmaple10;
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/**
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* Created by brian on 2016/4/13.
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*/
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public class ServiceSub2 extends Service{
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synchronized public static void printA(){
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try {
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System.out.println("ServiceSub2");
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System.out.println("线程名："+Thread.currentThread().getName()+" 在 "+ System.currentTimeMillis()+"进入printA");
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Thread.sleep(1000);
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System.out.println("线程名："+Thread.currentThread().getName()+" 在 "+ System.currentTimeMillis()+"离开printA");
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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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synchronized public static void printB(){
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System.out.println("线程名："+Thread.currentThread().getName()+" 在 "+ System.currentTimeMillis()+"进入printB");
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System.out.println("线程名："+Thread.currentThread().getName()+" 在 "+ System.currentTimeMillis()+"离开printB");
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}
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}

‎java-multithread/src/main/java/com/brianway/learning/java/multithread/synchronize/exmaple10/ThreadA.java‎

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package com.brianway.learning.java.multithread.synchronize.exmaple10;
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/**
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* Created by brian on 2016/4/13.
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*/
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public class ThreadA extends Thread {
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private Service service;
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public ThreadA(Service service) {
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super();
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this.service = service;
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}
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@Override
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public void run() {
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service.printA();
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}
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}

‎java-multithread/src/main/java/com/brianway/learning/java/multithread/synchronize/exmaple10/ThreadB.java‎

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package com.brianway.learning.java.multithread.synchronize.exmaple10;
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/**
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* Created by brian on 2016/4/13.
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*/
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public class ThreadB extends Thread {
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private Service service;
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public ThreadB(Service service) {
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super();
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this.service = service;
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}
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@Override
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public void run() {
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service.printB();
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}
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}

‎java-multithread/src/main/java/com/brianway/learning/java/multithread/synchronize/exmaple10/ThreadC.java‎

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package com.brianway.learning.java.multithread.synchronize.exmaple10;
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/**
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* Created by brian on 2016/4/13.
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*/
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public class ThreadC extends Thread {
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private Service service;
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public ThreadC(Service service) {
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super();
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this.service = service;
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}
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@Override
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public void run() {
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service.printC();
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}
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}

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