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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.
参考答案
更多 “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.” 相关考题
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Given that t1 is a reference to a live thread, which is true?()
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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.
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Which two of statements are true？（）A、It is possible to synchronize static methods.B、When a thread has yielded as a result of yield（）， it releases its locks.C、When a thread is sleeping as a result of sleep（）， it releases its locks.D、The Object.wait（） method can be invoked only from a synchronized context.E、The Thread.sleep（） method can be invoked only from a synchronized context.F、When the thread scheduler receives a notify（） request， and notifies a thread， that thread immediately releases its lock.
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Under which circumstances will a thread stop？（） A、The method waitforId（） in class MediaTracker is called.B、The run（） method that the thread is executing ends.C、The call to the start（） method of the Thread object returns.D、The suspend（） method is called on the Thread object.E、The wait（） method is called on the Thread object.
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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（）；
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Given that t1 is a reference to a live thread， which is true？（）A、The Thread.sleep（） method can take t1 as an argument.B、The Object.notify（） method can take t1 as an argument.C、The Thread.yield（） method can take t1 as an argument.D、The Thread.setPriority（） method can take t1 as an argument.E、The Object.notify（） method arbitrarily chooses which thread to notify.
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Which two can directly cause a thread to stop executing？（） 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.E、 Calling the setPriority method on a thread object.
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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（）；
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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.
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Which statement is true？（） A、 If only one thread is blocked in the wait method of an object， and another thread executes the modify on that same object， then the first thread immediately resumes execution.B、 If a thread is blocked in the wait method of an object， and another thread executes the notify method on the same object， it is still possible that the first thread might never resume execution.C、 If a thread is blocked in the wait method of an object， and another thread executes the notify method on the same object， then the first thread definitely resumes execution as a direct and sole consequence of the notify call.D、 If two threads are blocked in the wait method of one object， and another thread executes the notify method on the same object， then the first thread that executed the wait call first definitely resumes execution as a direct and sole consequence of the notify call.
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Which two CANNOT directly cause a thread to stop executing？ （） A、 Existing from a synchronized block.B、 Calling the wait method on an object.C、 Calling notify method on an object.D、 Calling read method on an InputStream object.E、 Calling the SetPriority method on a Thread object.
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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（）；
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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
多选题Which two CANNOT directly cause a thread to stop executing？（）ACalling the yield method.BCalling the wait method on an object.CCalling the notify method on an object.DCalling the notifyAll method on an object.ECalling the start method on another Thread object.
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
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 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Which two of statements are true？（）AIt is possible to synchronize static methods.BWhen a thread has yielded as a result of yield（）， it releases its locks.CWhen a thread is sleeping as a result of sleep（）， it releases its locks.DThe Object.wait（） method can be invoked only from a synchronized context.EThe Thread.sleep（） method can be invoked only from a synchronized context.FWhen the thread scheduler receives a notify（） request， and notifies a thread， that thread immediately releases its lock.
考题
多选题Which two CANNOT directly cause a thread to stop executing？ （）AExisting from a synchronized block.BCalling the wait method on an object.CCalling notify method on an object.DCalling read method on an InputStream object.ECalling the SetPriority method on a Thread object.
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 that t1 is a reference to a live thread， which is true？（）A
The Thread.sleep（） method can take t1 as an argument.B
The Object.notify（） method can take t1 as an argument.C
The Thread.yield（） method can take t1 as an argument.D
The Thread.setPriority（） method can take t1 as an argument.E
The Object.notify（） method arbitrarily chooses which thread to notify.
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