Java Multithreading MCQs with answers Page - 6

You will find multiple-choice questions (MCQs) related to #Java Multithreading here. Go through these questions to prepare effectively for your upcoming exams and interviews.

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Q. Which method is called internally by `start()`?

  • (A) run()
  • (B) begin()
  • (C) initialize()
  • (D) execute()

A

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Q. Which class provides a framework for asynchronous task execution?

  • (A) ExecutorService
  • (B) Runnable
  • (C) Callable
  • (D) Semaphore

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Q. Which thread method would you use to run a thread in the background?

  • (A) start()
  • (B) run()
  • (C) setDaemon(true)
  • (D) yield()

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Q. Which method stops accepting new tasks in ExecutorService?

  • (A) stop()
  • (B) shutdown()
  • (C) cancel()
  • (D) exit()

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Q. Which interface allows scheduling of tasks with a delay?

  • (A) Runnable
  • (B) Callable
  • (C) ScheduledExecutorService
  • (D) TimerTask

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Q. How many times can a thread object's `start()` method be called?

  • (A) Once
  • (B) Twice
  • (C) Unlimited times
  • (D) Depends on JVM

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Q. Which of the following can be used to limit access to a resource to only one thread at a time?

  • (A) Thread
  • (B) Semaphore
  • (C) synchronized
  • (D) volatile

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Q. Which of the following best describes a thread-safe class?

  • (A) A class that only one thread can use
  • (B) A class that uses exceptions to handle threads
  • (C) A class that ensures consistent behavior when used by multiple threads
  • (D) A class that uses ThreadLocal only

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