Quiz on java thread | Java thread MCQs

This section contains a quizlet on 'Java thread' with 13 MCQ questions. Also, check a series of other MCQ quizzes on Java and assess your proficiency in Java programming.

Instructions

Topic- Java thread

The test consists of 13 questions.

No negative marking for this test.

No Time limit

The pass percentage is 70%

The correct answer with a description will be displayed after the answer has been marked.

Submit the test to calculate your score once you are done with all the questions.

Complexity Level- Moderate

Q1: What is a thread in Java?

A set of libraries to perform operations on arrays.

A collection of classes under util package.

A thread is a sequential path of execution within the same program.

An interface for implementing multiple programs.

Q2: run() method in Java thread is used to ______

Define the operation performed by the thread.

Creating a new thread.

Invoke the existing thread.

Terminate the thread.

Q3: Implementing the Runnable interface is another way of ______

Changing the state of a thread.

Creating a thread in Java.

Releasing a thread.

terminating a thread.

Q4: start() method in java thread is used to ______

Start a wait of some definite time.

Define the operation performed by the thread.

Put the thread in sleep mode.

Invoke the thread.

Q5: setDaemon(true) will _____

Set the current thread as Daemon.

Set the current thread as a User thread.

Q6: Acquiring the lock of the object by a thread is a way of achieving ______

Deadlock

'Ready to run' state.

Synchronization

'Sleeping' state.

Q7: A condition in which a thread T1 waiting to acquire the lock held by T2, whereas the thread T2 is waiting to acquire the lock held by T1 is called ______

Blocked

Deadlock

Sleeping

synchronized

Q8: A thread executing in the Java virtual machine is in ______ state.

Blocked

Terminated

Waiting

Runnable

Q9: A thread that has not yet started is in ______ state.

Runnable

Waiting

New

Blocked

Q10: A thread that has exited is in ______ state.

Waiting

Blocked

Terminated

Runnable

Q11: Thread.yield() is used to ____

Ensure that a thread has been terminated.

Give a hint to the scheduler that the current thread is willing to relinquish its current use of a processor.

Halt the working of the current thread for a specified amount of time.

Acquire the lock held by another thread.

Q12: A method or block declared as Synchronized can be accessed by only one thread at a time

True

False

Q13: Thread.sleep() is used to ____

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Quiz on java thread | Java thread MCQs