acquire

acquire()函数用于请求线程锁（加锁）。

acquire()

示例请参考ThreadCondition.notify()章节的内容。

在调用wait()之前必须先请求当前条件对象的线程锁（加锁）。

{@fun/Threads/ThreadCondition/notify notify}, {@fun/Threads/ThreadCondition/notifyAll notifyAll}, {@fun/Threads/ThreadCondition/wait wait}, {@fun/Threads/ThreadCondition/release release}