As with implicit locks, only one thread can own a lock object at a time.

同严格实现的锁一样，一个线程一次只能拥有一个锁对象。

youdao

As with implicit locks, only one thread can own a lock object at a time.

同严格实现的锁一样，一个线程一次只能拥有一个锁对象。

youdao