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[update] update README of mutithread,add communication and lock TOC
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‎java-multithread/README.md

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- [Run15_volatile.java](src/main/java/com/brianway/learning/java/multithread/synchronize/example15/Run15_volatile.java):不使用 `volatile` 关键字,JVM 配置 `-server`
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- [example16](src/main/java/com/brianway/learning/java/multithread/synchronize/example16)
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- [Run16_volatile.java](src/main/java/com/brianway/learning/java/multithread/synchronize/example16/Run16_volatile.java):`volatile` 非原子的特性
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## communication
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- [example1](src/main/java/com/brianway/learning/java/multithread/communication/example1)
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- [Run1_TwoThreadTransData.java](src/main/java/com/brianway/learning/java/multithread/communication/example1/Run1_TwoThreadTransData.java):不使用等待/通知机制实现线程间通
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- [example2](src/main/java/com/brianway/learning/java/multithread/communication/example2)
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- [Run2_noObjectLock.java](src/main/java/com/brianway/learning/java/multithread/communication/example2/Run2_noObjectLock.java):没有“对象监视器”，调用 `wait()` 方法出现运行时异常
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- [Run2_notify.java](src/main/java/com/brianway/learning/java/multithread/communication/example2/Run2_notify.java):`notify` 实现通知,`notify` 调用后，并不会立即释放对象锁，而是退出 `synchronized` 代码块后
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- [Run2_sleep.java](src/main/java/com/brianway/learning/java/multithread/communication/example2/Run2_sleep.java):测试 `sleep()` 期间其他线程是否执行
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- [Run2_wait.java](src/main/java/com/brianway/learning/java/multithread/communication/example2/Run2_wait.java):`wait()` 永远阻塞
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- [example3](src/main/java/com/brianway/learning/java/multithread/communication/example3)
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- [Run3_notifyAll.java](src/main/java/com/brianway/learning/java/multithread/communication/example3/Run3_notifyAll.java):唤醒多个线程
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- [Run3_notifyMany.java](src/main/java/com/brianway/learning/java/multithread/communication/example3/Run3_notifyMany.java):通知多个线程
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- [Run3_notifyOne.java](src/main/java/com/brianway/learning/java/multithread/communication/example3/Run3_notifyOne.java):通知一个线程
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- [example4](src/main/java/com/brianway/learning/java/multithread/communication/example4)
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- [Run4_waitHasParam.java](src/main/java/com/brianway/learning/java/multithread/communication/example4/Run4_waitHasParam.java):`wait(long)` 使用，超时自动唤醒
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- [Run4_waitHasParam2.java](src/main/java/com/brianway/learning/java/multithread/communication/example4/Run4_waitHasParam2.java):`wait(long)` 使用，时间限制内由其他线程唤醒
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- [example5](src/main/java/com/brianway/learning/java/multithread/communication/example5)
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- [Run5_notify.java](src/main/java/com/brianway/learning/java/multithread/communication/example5/Run5_notify.java):`notify` 正常通知
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- [Run5_notifyEarly.java](src/main/java/com/brianway/learning/java/multithread/communication/example5/Run5_notifyEarly.java):`notify` 通知过早
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- [example6](src/main/java/com/brianway/learning/java/multithread/communication/example6)
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- [Run6_waitOld.java](src/main/java/com/brianway/learning/java/multithread/communication/example6/Run6_waitOld.java):`wait` 等待条件变化
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- [example7](src/main/java/com/brianway/learning/java/multithread/communication/example7)
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- [Run7_ProducerAndConsumer_One.java](src/main/java/com/brianway/learning/java/multithread/communication/example7/Run7_ProducerAndConsumer_One.java):生产者/消费者模式,一生产一消费
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- [example8](src/main/java/com/brianway/learning/java/multithread/communication/example8)
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- [Run8_allWait.java](src/main/java/com/brianway/learning/java/multithread/communication/example8/Run8_allWait.java):多生产与多消费，假死
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- [example9](src/main/java/com/brianway/learning/java/multithread/communication/example9)
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- [Run9_oneP_manyC.java](src/main/java/com/brianway/learning/java/multithread/communication/example9/Run9_oneP_manyC.java):一生产与多消费
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- [Run9_oneP_oneC.java](src/main/java/com/brianway/learning/java/multithread/communication/example9/Run9_oneP_oneC.java):一生产与一消费
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- [example10](src/main/java/com/brianway/learning/java/multithread/communication/example10)
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- [Run10_oneP_manyC.java](src/main/java/com/brianway/learning/java/multithread/communication/example10/Run10_oneP_manyC.java):一生产与多消费
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- [example11](src/main/java/com/brianway/learning/java/multithread/communication/example11)
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- [Run11_manyP_manyC.java](src/main/java/com/brianway/learning/java/multithread/communication/example11/Run11_manyP_manyC.java):多生产与多消费
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- [Run11_manyP_oneC.java](src/main/java/com/brianway/learning/java/multithread/communication/example11/Run11_manyP_oneC.java):多生产与一消费
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- [Run11_oneP_manyC.java](src/main/java/com/brianway/learning/java/multithread/communication/example11/Run11_oneP_manyC.java):一生产与多消费
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- [example12](src/main/java/com/brianway/learning/java/multithread/communication/example12)
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- [Run12_pipeInputOutput.java](src/main/java/com/brianway/learning/java/multithread/communication/example12/Run12_pipeInputOutput.java):通过管道进行线程间通信：字节流
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- [example13](src/main/java/com/brianway/learning/java/multithread/communication/example13)
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- [Run13_wait_notify_insert.java](src/main/java/com/brianway/learning/java/multithread/communication/example13/Run13_wait_notify_insert.java):等待/通知，交叉执行
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- [example14](src/main/java/com/brianway/learning/java/multithread/communication/example14)
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- [Run14_join.java](src/main/java/com/brianway/learning/java/multithread/communication/example14/Run14_join.java):`join` 示例
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- [Run14_joinExption.java](src/main/java/com/brianway/learning/java/multithread/communication/example14/Run14_joinExption.java):`join` 的异常
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- [Run14_joinLong.java](src/main/java/com/brianway/learning/java/multithread/communication/example14/Run14_joinLong.java):`join(long)` 设定等待的时间,`join(long)` 和 `sleep(long)` 运行效果并无区别，但对同步的处理不同
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- [example15](src/main/java/com/brianway/learning/java/multithread/communication/example15)
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- [Run15_join_sleep.java](src/main/java/com/brianway/learning/java/multithread/communication/example15/Run15_join_sleep.java):`join(long)` 和 `sleep(long)` 的区别,`sleep(long)` 方法不释放锁
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- [Run15_join_sleep_2.java](src/main/java/com/brianway/learning/java/multithread/communication/example15/Run15_join_sleep_2.java):`join(long)` 和 `sleep(long)` 的区别,`join(long)` 释放锁
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- [Run15_joinMore.java](src/main/java/com/brianway/learning/java/multithread/communication/example15/Run15_joinMore.java):方法 `join` 后面的代码提前运行
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- [example16](src/main/java/com/brianway/learning/java/multithread/communication/example16)
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- [Run16_InheritableThreadLocalExt.java](src/main/java/com/brianway/learning/java/multithread/communication/example16/Run16_InheritableThreadLocalExt.java):类 `InheritableThreadLocal` 使用，值继承，子线程从父线程取得值
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- [Run16_InheritableThreadLocalExt2.java](src/main/java/com/brianway/learning/java/multithread/communication/example16/Run16_InheritableThreadLocalExt2.java):类 `InheritableThreadLocal` 使用，值继承再更改
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- [Run16_ThreadLocal.java](src/main/java/com/brianway/learning/java/multithread/communication/example16/Run16_ThreadLocal.java):验证线程变量的隔离性
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## lock
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- [example1](src/main/java/com/brianway/learning/java/multithread/lock/example1)
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- [Run1_UseConditionWaitNotify.java](src/main/java/com/brianway/learning/java/multithread/lock/example1/Run1_UseConditionWaitNotify.java):使用 Condition 实现等待通知,Condition 对象的 `await()`方法，线程`WAITING`
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- [Run1_UseConditionWaitNotifyError.java](src/main/java/com/brianway/learning/java/multithread/lock/example1/Run1_UseConditionWaitNotifyError.java):`IllegalMonitorStateException`，监视器出错
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- [Run1_UseConditionWaitNotifyOk.java](src/main/java/com/brianway/learning/java/multithread/lock/example1/Run1_UseConditionWaitNotifyOk.java):正确使用Condition实现等待通知
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- [example2](src/main/java/com/brianway/learning/java/multithread/lock/example2)
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- [Run2_MustUseMoreCondition.java](src/main/java/com/brianway/learning/java/multithread/lock/example2/Run2_MustUseMoreCondition.java):使用多个 condition 实现通知部分线程
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- [example3](src/main/java/com/brianway/learning/java/multithread/lock/example3)
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- [Run3_ConditionManyToMany.java](src/main/java/com/brianway/learning/java/multithread/lock/example3/Run3_ConditionManyToMany.java):实现生产者/消费者模式，多对多交替打印
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- [example4](src/main/java/com/brianway/learning/java/multithread/lock/example4)
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- [Run4_Fair.java](src/main/java/com/brianway/learning/java/multithread/lock/example4/Run4_Fair.java):公平锁测试,打印结果呈有序状态
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- [Run4_notFair.java](src/main/java/com/brianway/learning/java/multithread/lock/example4/Run4_notFair.java):非公平锁测试,打印结果乱序，先启动的线程不一定先获得锁
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- [example5](src/main/java/com/brianway/learning/java/multithread/lock/example5)
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- [Run5_getHoldCount.java](src/main/java/com/brianway/learning/java/multithread/lock/example5/Run5_getHoldCount.java):测试方法 `int getHoldCount()`
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- [Run5_getQueueLength.java](src/main/java/com/brianway/learning/java/multithread/lock/example5/Run5_getQueueLength.java):测试方法 `int getQueueLength()`
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- [Run5_getWaitQueueLength.java](src/main/java/com/brianway/learning/java/multithread/lock/example5/Run5_getWaitQueueLength.java):测试方法 `int getWaitQueueLength(Condition condition)`
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- [example6](src/main/java/com/brianway/learning/java/multithread/lock/example6)
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- [Run6_hasQueueThread.java](src/main/java/com/brianway/learning/java/multithread/lock/example6/Run6_hasQueueThread.java):测试方法 `boolean hasQueueThread(Thread thread)` 和 `boolean hasQueueThreads()`
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- [Run6_hasWaiters.java](src/main/java/com/brianway/learning/java/multithread/lock/example6/Run6_hasWaiters.java):测试方法 `boolean hasWaiters(Condition)`
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- [example7](src/main/java/com/brianway/learning/java/multithread/lock/example7)
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- [Run7_isFair.java](src/main/java/com/brianway/learning/java/multithread/lock/example7/Run7_isFair.java):测试方法 `boolean isFair()`
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- [Run7_isHeldByCurrentThread.java](src/main/java/com/brianway/learning/java/multithread/lock/example7/Run7_isHeldByCurrentThread.java):测试方法 `boolean isHeldByCurrentThread()`
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- [Run7_isLocked.java](src/main/java/com/brianway/learning/java/multithread/lock/example7/Run7_isLocked.java):测试方法 `boolean isLocked()`
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- [example8](src/main/java/com/brianway/learning/java/multithread/lock/example8)
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- [Run8_lockInterruptibly1.java](src/main/java/com/brianway/learning/java/multithread/lock/example8/Run8_lockInterruptibly1.java):测试方法 `void lockInterruptibly()`
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- [Run8_lockInterruptibly2.java](src/main/java/com/brianway/learning/java/multithread/lock/example8/Run8_lockInterruptibly2.java):测试方法 `void lockInterruptibly()`
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- [Run8_tryLock.java](src/main/java/com/brianway/learning/java/multithread/lock/example8/Run8_tryLock.java):测试方法 `boolean tryLock()`
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- [Run8_tryLock_param.java](src/main/java/com/brianway/learning/java/multithread/lock/example8/Run8_tryLock_param.java):测试方法 `boolean tryLock(long timeout,TimeUnit unit)`
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- [example9](src/main/java/com/brianway/learning/java/multithread/lock/example9)
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- [Run9_awaitUniterruptibly1.java](src/main/java/com/brianway/learning/java/multithread/lock/example9/Run9_awaitUniterruptibly1.java):测试方法 `awaitUniterruptibly()`
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- [Run9_awaitUniterruptibly2.java](src/main/java/com/brianway/learning/java/multithread/lock/example9/Run9_awaitUniterruptibly2.java):测试方法 `awaitUniterruptibly()`
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- [Run9_awaitUntil1.java](src/main/java/com/brianway/learning/java/multithread/lock/example9/Run9_awaitUntil1.java):测试方法 `awaitUntil()`
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- [Run9_awaitUntil2.java](src/main/java/com/brianway/learning/java/multithread/lock/example9/Run9_awaitUntil2.java):测试方法 `awaitUntil()`
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- [example10](src/main/java/com/brianway/learning/java/multithread/lock/example10)
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- [Run10_condition.java](src/main/java/com/brianway/learning/java/multithread/lock/example10/Run10_condition.java):Condition 实现顺序打印
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- [Run10_ReadWriteLockBegin1.java](src/main/java/com/brianway/learning/java/multithread/lock/example10/Run10_ReadWriteLockBegin1.java):类 `ReentrantReadWriteLock` 的使用：读读共享
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- [Run10_ReadWriteLockBegin2.java](src/main/java/com/brianway/learning/java/multithread/lock/example10/Run10_ReadWriteLockBegin2.java):类 `ReentrantReadWriteLock` 的使用：写写互斥
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- [Run10_ReadWriteLockBegin3.java](src/main/java/com/brianway/learning/java/multithread/lock/example10/Run10_ReadWriteLockBegin3.java):类 `ReentrantReadWriteLock` 的使用：读写互斥

‎java-multithread/src/main/java/com/brianway/learning/java/multithread/lock/example4/Run4_notFair.java

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/**
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* 非公平锁测试
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* 打印结果乱序，县启动的线程不一定先获得锁
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* 打印结果乱序，先启动的线程不一定先获得锁
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*/
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public class Run4_notFair {
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public static void main(String[] args) {

‎java-multithread/src/main/java/com/brianway/learning/java/multithread/lock/example5/Run5_getHoldCount.java

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/**
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* 测试int getHoldCount()方法
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* 测试方法int getHoldCount()
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* 查询当前线程保持此锁定的个数，即调用lock()方法的次数
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*/
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public class Run5_getHoldCount {

‎java-multithread/src/main/java/com/brianway/learning/java/multithread/lock/example5/Run5_getQueueLength.java

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/**
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* 测试方法int getQueueLength()
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* 返回正在等待获取此锁定的线程估计数
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*/
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public class Run5_getQueueLength {

‎java-multithread/src/main/java/com/brianway/learning/java/multithread/lock/example5/Run5_getWaitQueueLength.java

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/**
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* 返回等待与此锁定相关的给定条件Conditon的线程估计数
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* 测试方法int getWaitQueueLength(Condition condition)
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* 返回等待与此锁定相关的给定条件Condition的线程估计数
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*/
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public class Run5_getWaitQueueLength {
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public static void main(String[] args) throws InterruptedException {

‎java-multithread/src/main/java/com/brianway/learning/java/multithread/lock/example6/Run6_hasQueueThread.java

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/**
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* 测试方法boolean hasQueueThread(Thread thread)
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* 查询指定的线程是否正在等待获取此锁定
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* 测试boolean hasQueueThreads()
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* 测试方法boolean hasQueueThreads()
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* 查询是否有线程正在等待获取此锁定
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*/
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public class Run6_hasQueueThread {

‎java-multithread/src/main/java/com/brianway/learning/java/multithread/lock/example8/Run8_tryLock.java

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/**
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* 尽在调用时锁定未被另一个线程保持的情况下，才获取该锁定
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* 仅在调用时锁定未被另一个线程保持的情况下，才获取该锁定
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*/
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public class Run8_tryLock {
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public static void main(String[] args) {

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