wait()、notify()和notifyAll()方法 新手不必过认真研究，有兴趣的可研究这三个方法仅在 synchronized 方法中才能被调用wait()方法告知被调用的线程退出监视器马克-to-win并进入等待状态，直到其他线程进入相同的监视器并调用 notify( ) 方法notify( ) 方法通知同一对象上某一个调用 wait( )线程 If any threads are waiting on this object, one of them is chosen to be awakened. The choice is arbitrary and occurs at the discretion of the implementation.notifyAll() 方法通知调用 wait() 的所有线程，竞争胜利的线程将先运行 The awakened threads will compete in the usual manner with any other threads that might be actively competing to synchronize on this object; the awakened threads enjoy no reliable privilege or disadvantage in being the next thread to lock this object结论：notifyall是竞争，而notify是由具体实施的jvm决定的见下例：，我来为大家讲解一下关于java语言中if语句的处理流程?跟着小编一起来看一看吧!
java语言中if语句的处理流程
wait()、notify()和notifyAll()方法 新手不必过认真研究，有兴趣的可研究这三个方法仅在 synchronized 方法中才能被调用。wait()方法告知被调用的线程退出监视器马克-to-win并进入等待状态，直到其他线程进入相同的监视器并调用 notify( ) 方法。notify( ) 方法通知同一对象上某一个调用 wait( )线程。 If any threads are waiting on this object, one of them is chosen to be awakened. The choice is arbitrary and occurs at the discretion of the implementation.notifyAll() 方法通知调用 wait() 的所有线程，竞争胜利的线程将先运行。 The awakened threads will compete in the usual manner with any other threads that might be actively competing to synchronize on this object; the awakened threads enjoy no reliable privilege or disadvantage in being the next thread to lock this object。结论：notifyall是竞争，而notify是由具体实施的jvm决定的。见下例：
例1.11.1-本章源码class DishMark_to_win {private String food = "";public synchronized String eat() {try {System.out.println("需要等一会，暂时无饭");/* 当执行下面的wait，这个线程将会暂停在这,然后当下列serve执行notify,然后这个线程将从这继续执行。*/wait();System.out.println("接到通知可以了");} catch (InterruptedException e) {
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