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wait（）、notify（）和notifyAll（）方法是在哪个类中定义的（）。
- A、Thread
- B、Runnable
- C、Object
- D、Event
- E、Synchronize
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在JAVA中,调用一个对象的wait()方法后,()
A.如果该对象的notify（）方法已经被调用，则不会产生任何结果B.在另外一个对象调用它的notify（）活notifyAll（）方法之前该对象一直被挂起C.讲抛出一个异常D.该对象的wait（）方法与其他对象自动同步
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Given：fooandbararepublicreferencesavailabletomanyotherthreads，fooreferstoaThreadandbarisanObject.Thethreadfooiscurrentlyexecutingbar.wait（）.Fromanotherthread，whatprovidesthemostreliablewaytoensurethatfoowillstopexecutingwait（）？（）A.foo.notify（）；B.bar.notify（）；C.foo.notifyAll（）；D.Thread.notify（）；E.bar.notifyAll（）；F.Object.notify（）；
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fooandbararepublicreferencesavailabletomanyotherthreads.fooreferstoaThreadandbarisanObject.Thethreadfooiscurrentlyexecutingbar.wait（）.Fromanotherthread，whichstatementisthemostreliablewaytoensuethatfoowillstopexecutingwait（）？A.foo.notify（）；B.bar.notify（）；C.foo.notifyAll（）；D.Thread.notify（）；E.bar.notiFYAll（）；F.Object.notify（）；
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voidwaitForSignal(){Objectobj=newObject();synchronized(Thread.currentThread()){obj.wait();obj.notify();}}Whichistrue?()
A.ThiscodemaythrowanInterruptedException.B.ThiscodemaythrowanIllegalStateException.C.ThiscodemaythrowaTimeoutExceptionaftertenminutes.D.Thiscodewillnotcompileunless“obj.wait（）”isreplacedwith“（（Thread）obj）.wait（）”.E.Reversingtheorderofobj.wait（）andobj.notify（）maycausethismethodtocompletenormally.F.Acalltonotify（）ornotifyAll（）fromanotherthreadmaycausethismethodtocompletenormally.
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Given：fooandbararepublicreferencesavailabletomanyotherthreads.fooreferstoaThreadandbarisanObject.Thethreadfooiscurrentlyexecutingbar.wait（）.Fromanotherthread，whatprovidesthemostreliablewaytoensurethatfoowillstopexecutingwait（）？A.foo.notify（）；B.bar.notify（）；C.foo.notifyAll（）；D.Thread.notify（）；E.bar.notifyAll（）；
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下列说法中错误的一项是A．当线程需要在synchronized块中等待共享数据状态改变时，则需要调用wait()方法B．当线程需要在synchronized块中等待共享数据状态改变时，则需要调用notify()方法C．线程在synchronized块中执行完操作后，调用notify()方法通知正在等待的线程重新占有锁D．wait()和notify()可以实现线程的同步操作
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在JAVA中，调用一个对象的wait（）方法后，（） A、如果该对象的notify（）方法已经被调用，则不会产生任何结果B、在另外一个对象调用它的notify（）活notifyAll（）方法之前该对象一直被挂起C、讲抛出一个异常D、该对象的wait（）方法与其他对象自动同步
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void waitForSignal（） { Object obj = new Object（）； synchronized （Thread.currentThread（）） { obj.wait（）； obj.notify（）； } } Which is true？（） A、 This code may throw an InterruptedException.B、 This code may throw an IllegalStateException.C、 This code may throw a TimeoutException after ten minutes.D、 This code will not compile unless “obj.wait（）” is replaced with “（（Thread） obj）.wait（）”.E、 Reversing the order of obj.wait（） and obj.notify（） may cause this method to complete normally.F、 A call to notify（） or notifyAll（） from another thread may cause this method to complete normally.
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Which two CANNOT directly cause a thread to stop executing？（）A、 Calling the yield method.B、 Calling the wait method on an object.C、 Calling the notify method on an object.D、 Calling the notifyAll method on an object.E、 Calling the start method on another Thread object.
考题
对于wait（）方法，下面说法正确的是？（）A、wait（）方法的调用者是同步锁对象B、wait（）方法使线程进入等待状态C、调用同一锁对象的notify（）或notifyAll（）方法可以唤醒调用wait（）方法等待的线程D、调用wait（）方法的线程会释放同步锁对象
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Which statements concerning the methods notify（） and notifyAll（） are true？ A、Instances of class Thread have a method called notify（）.B、A call to the method notify（） will wake the thread that currently owns the monitor of the object.C、The method notify（） is synchronized.D、The method notifyAll（） is defined in class Thread.E、When there is more than one thread waiting to obtain the monitor of an object， there is no way to be sure which thread will be notified by the notify（） method.
考题
What can cause a thread to become non-runnable？（）A、 Exiting from a synchronized block.B、 Calling the wait method on an object.C、 Calling the notify method on an object.D、 Calling the notifyAll method on an object.
考题
单选题What can cause a thread to become non-runnable？（）A
Exiting from a synchronized block.B
Calling the wait method on an object.C
Calling the notify method on an object.D
Calling the notifyAll method on an object.
考题
多选题Which two can directly cause a thread to stop executing？（）AExiting from a synchronized block.BCalling the wait method on an object.CCalling the notify method on an object.DCalling the notifyAll method on an object.ECalling the setPriority method on a thread object.
考题
单选题void waitForSignal（） { Object obj = new Object（）； synchronized （Thread.currentThread（）） { obj.wait（）； obj.notify（）； } } Which is true？（）A
This code may throw an InterruptedException.B
This code may throw an IllegalStateException.C
This code may throw a TimeoutException after ten minutes.D
This code will not compile unless “obj.wait（）” is replaced with “（（Thread） obj）.wait（）”.E
Reversing the order of obj.wait（） and obj.notify（） may cause this method to complete normally.F
A call to notify（） or notifyAll（） from another thread may cause this method to complete normally.
考题
单选题Given： foo and bar are public references available to many other threads， foo refers to a Thread and bar is an Object. The thread foo is currently executing bar.wait（）. From another thread， what provides the most reliable way to ensure that foo will stop executing wait（）？（）A
foo.notify（）；B
bar.notify（）；C
foo.notifyAll（）；D
Thread.notify（）；E
bar.notifyAll（）；F
Object.notify（）；
考题
单选题Given： foo and bar are public references available to many other threads. foo refers to a Thread and bar is anObject. The thread foo is currently executing bar.wait（）. From another thread，what provides the most reliable wayto ensure that foo will stop executing wait（）？A
foo.notify（）；B
bar.notify（）；C
foo.notifyAll（）；D
Thread.notify（）；E
bar.notifyAll（）；
考题
单选题foo and bar are public references available to many other threads. foo refers to a Thread and bar is an Object. The thread foo is currently executing bar.wait（）. From another thread， which statement is the most reliable way to ensue that foo will stop executing wait（）？A
foo.notify（）；B
bar.notify（）；C
foo.notifyAll（）；D
Thread.notify（）；E
bar.notiFYAll（）；F
Object.notify（）；
考题
多选题Which statements concerning the methods notify（） and notifyAll（） are true？AInstances of class Thread have a method called notify（）.BA call to the method notify（） will wake the thread that currently owns the monitor of the object.CThe method notify（） is synchronized.DThe method notifyAll（） is defined in class Thread.EWhen there is more than one thread waiting to obtain the monitor of an object， there is no way to be sure which thread will be notified by the notify（） method.
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多选题对于wait（）方法，下面说法正确的是？（）Await（）方法的调用者是同步锁对象Bwait（）方法使线程进入等待状态C调用同一锁对象的notify（）或notifyAll（）方法可以唤醒调用wait（）方法等待的线程D调用wait（）方法的线程会释放同步锁对象
考题
填空题实现线程交互的wait（）和notify（）方法在____类中定义。
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