Threads MCQ

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• Which keyword when applied on a method indicates that only one thread should execute the method at a time.
  ক

  volatile

  খ

  synchronized

  গ

  native

  ঘ

  static

  ঙ

  final
• What notifyAll() method do?
  ক

  Wakes up one threads that are waiting on this object's monitor

  খ

  Wakes up all threads that are not waiting on this object's monitor

  গ

  Wakes up all threads that are waiting on this object's monitor

  ঘ

  None of the above
• Which of the following constructor of class Thread is valid one?
  ক

  Thread(Runnable threadOb, int priority)

  খ

  Thread(int priority)

  গ

  Thread(Runnable threadOb, String threadName)

  ঘ

  Thread(String threadName, int priority)

  ঙ

  None of these
• When a class extends the Thread class ,it should override ............ method of Thread class to start that thread.
  ক

  start()

  খ

  run()

  গ

  init()

  ঘ

  go()
• In java a thread can be created by ..........
  ক

  Extending the thread class.

  খ

  Implementing Runnable interface.

  গ

  Both of the above

  ঘ

  None of these