Java并发

• Tread 创建线程
• Runnable 创建线程
• Callable+Future创建线程
• synchronized 加锁
• wait/notify 释放锁并进入阻塞队列
• park/unpark 类似上
• ReentrantLock 重入锁
• await/signal 信号量
• volatile
• happens-before
• CAS
• ThreadPollExecutor
• Fork/join
• AQS
• ReentrantReadWriteLock
• StampedLock
• CountdownLatch
• cyclicbarrier
• CopyOnWrite
• ConcurrentHashMap