线程状态流图

CPU调度线程

获取到锁

TERMINAL

1、线程执行完毕2、抛出异常

object.wait(timeout)Thread.sleep(mills)LockSupport.parkNanos(mills)LockSupport.parkUntil(deadline)

RUNNING

EXECUTE

WAITING

thread.start()

CPU时间片用尽

NEW

WAITING_TIME

object.notify()object.notifyAll()LockSupport.unpark(thread)

object.wait()LockSupport.park()

READY

BLOCK

进入synchronize块时，未抢到锁

object.notifyAll()LockSupport.unpark(thread)