Java Multithreading MCQs with answers Page - 2

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 can be used to determine whether a thread is alive or not?

  • (A) isActive()
  • (B) isRunning()
  • (C) isAlive()
  • (D) exists()

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Q. Which of these methods is used to end a thread before it completes execution?

  • (A) terminate()
  • (B) stop()
  • (C) kill()
  • (D) exit()

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Q. Which method wakes up a single thread that is waiting on the object’s monitor?

  • (A) notify()
  • (B) resume()
  • (C) signal()
  • (D) interrupt()

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Q. What is the state of a thread when the start() method has been called but the run() method has not yet begun?

  • (A) New
  • (B) Runnable
  • (C) Blocked
  • (D) Waiting

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Q. Which thread method allows other threads of the same priority to execute?

  • (A) yield()
  • (B) wait()
  • (C) notify()
  • (D) pause()

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Q. What happens when a thread calls wait()?

  • (A) It is terminated
  • (B) It waits forever
  • (C) It releases the lock and enters waiting state
  • (D) It becomes active

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Q. Which package contains the Java multithreading classes?

  • (A) java.util.concurrent
  • (B) java.lang.thread
  • (C) java.threading
  • (D) java.concurrent.util

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Q. Which of the following is a valid thread state?

  • (A) Running
  • (B) Waiting
  • (C) Sleeping
  • (D) Ready

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Q. Which of the following thread states occurs when a thread is waiting to acquire a lock?

  • (A) Waiting
  • (B) Runnable
  • (C) Blocked
  • (D) New

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Q. What is the purpose of the `interrupt()` method in a thread?

  • (A) Stops the thread
  • (B) Pauses the thread
  • (C) Requests the thread to stop its execution
  • (D) Wakes up the thread

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