Q. Which of this method is used to avoid polling in Java?

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Q. Which of these method is used to tell the calling thread to give up a monitor and go to sleep until some other thread enters the same monitor?

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Q. Which of these method wakes up the first thread that called wait()?

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Q. Which of these method wakes up all the threads?

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Q. Which two of the following methods are defined in class Thread?

1. start()
2. wait()
3. notify()
4. run()
5. terminate()

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Q. Which three guarantee that a thread will leave the running state?

1. yield()
2. wait()
3. notify()
4. notifyAll()
5. sleep(1000)
6. aLiveThread.join()
7. Thread.killThread()

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Q. Which of the following will directly stop the execution of a Thread?

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Q. Which method must be defined by a class implementing the java.lang.Runnable interface?

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Q. Which will contain the body of the thread?

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Q. Which method registers a thread in a thread scheduler?

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Q. Assume the following method is properly synchronized and called from a thread A on an object B:

wait(2000);

After calling this method, when will the thread A become a candidate to get another turn at the CPU?

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Q. Which of the following will not directly cause a thread to stop?

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Q. Which class or interface defines the wait(), notify(),and notifyAll() methods?

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Q. What is the name of the method used to start a thread execution?

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Q. Which two are valid constructors for Thread?

1. Thread(Runnable r, String name)
2. Thread()
3. Thread(int priority)
4. Thread(Runnable r, ThreadGroup g)
5. Thread(Runnable r, int priority)

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Q. Which three are methods of the Object class?

1. notify();
2. notifyAll();
3. isInterrupted();
4. synchronized();
5. interrupt();
6. wait(long msecs);
7. sleep(long msecs);
8. yield();

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Q. Which cannot directly cause a thread to stop executing?

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Q. Which two can be used to create a new Thread?

1. Extend java.lang.Thread and override the run() method.
2. Extend java.lang.Runnable and override the start() method.
3. Implement java.lang.Thread and implement the run() method.
4. Implement java.lang.Runnable and implement the run() method.
5. Implement java.lang.Thread and implement the start() method.

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Q. Which two statements are true?

1. Deadlock will not occur if wait()/notify() is used
2. A thread will resume execution as soon as its sleep duration expires.
3. Synchronization can prevent two objects from being accessed by the same thread.
4. The wait() method is overloaded to accept a duration.
5. The notify() method is overloaded to accept a duration.
6. Both wait() and notify() must be called from a synchronized context.

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Q. The following block of code creates a Thread using a Runnable target:

Runnable target = new MyRunnable();
Thread myThread = new Thread(target);

Which of the following classes can be used to create the target, so that the preceding code compiles correctly?

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