JUnit Questions and Answers – Batching Tests

This set of JUnit Multiple Choice Questions & Answers (MCQs) focuses on “Batching Tests”.

1. ________ submits a value-returning task for execution and returns a Future representing the pending results of the task.
a) submit(Callable<T> task)
b) awaitTermination
c) submit(Runnable task, T result)
d) invokeAll()
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2. ____________ submits a Runnable task for execution and returns a Future representing that task.
a) submit(Callable<T> task)
b) awaitTermination
c) submit(Runnable task, T result)
d) invokeAll()
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3. _____________ returns true if all tasks have completed following shut down.
a) submit(Callable<T> task)
b) isTerminated
c) submit(Runnable task, T result)
d) invokeAll()
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4. _____________ returns true if this executor has been shut down.
a) isShutdown
b) isTerminated
c) submit(Runnable task, T result)
d) invokeAll()
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5. _______________ is used for the execution of the given tasks, returning a list of Futures holding their status and results after completion.
a) isShutdown
b) isTerminated
c) invokeAll(Collection<? extends Callable<T>> tasks)
d) invokeAll(Collection<? extends Callable<T>> tasks, long timeout, TimeUnit unit)
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6. ______________ executes the given tasks, returning the result of one that has completed successfully.
a) isShutdown
b) invokeAny(Collection<? extends Callable<T>> tasks)
c) invokeAll(Collection<? extends Callable<T>> tasks)
d) invokeAll(Collection<? extends Callable<T>> tasks, long timeout, TimeUnit unit)
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7. _____________ exception is thrown while invokeAll() is interrupted while waiting.
a) InterruptedException
b) NullPointerException
c) RejectedExecutionException
d) ArrayIndexOutOfBoundsException
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8. NullPointerException is thrown if tasks or any of its elements are null.
a) True
b) False
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9. InterruptedException is thrown if any task cannot be scheduled for execution.
a) True
b) False
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10. ________________ initiates an orderly shutdown in which previously submitted tasks are executed.
a) Shutdown
b) invokeAny(Collection<? extends Callable<T>> tasks)
c) invokeAll(Collection<? extends Callable<T>> tasks)
d) invokeAll(Collection<? extends Callable<T>> tasks, long timeout, TimeUnit unit)
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Sanfoundry Global Education & Learning Series – JUnit.
To practice all areas of Junit, here is complete set of 1000+ Multiple Choice Questions and Answers.

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