t1 start
interrupted!
Exception in thread "Thread-1" java.lang.IllegalMonitorStateException
at java.util.concurrent.locks.ReentrantLock$Sync.tryRelease(ReentrantLock.java:151)
at java.util.concurrent.locks.AbstractQueuedSynchronizer.release(AbstractQueuedSynchronizer.java:1261)
at java.util.concurrent.locks.ReentrantLock.unlock(ReentrantLock.java:457)
at com.qqjx.thread.T04_ReentrantLock4.lambda$main$1(T04_ReentrantLock4.java:53)
at java.lang.Thread.run(Thread.java:748)