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Java Quiz Day 44
Question 1
What is the primary advantage of using a thread pool in Java?
- A
It allows for better thread prioritization
- B
It reuses threads to minimize the overhead of creating new ones
- C
It makes the program run faster
- D
It can prevent thread starvation
Question 2
Which of the following classes is used to create a thread pool in Java?
- A
Executor
- B
ExecutorService
- C
ThreadPoolExecutor
- D
All of the above
Question 3
What is the default priority of a thread in Java?
- A
1
- B
5
- C
10
- D
0
Question 4
Which method is used to set the priority of a thread in Java?
- A
setPriority()
- B
changePriority()
- C
setThreadPriority()
- D
updatePriority()
Question 5
What happens if a thread has a higher priority than other threads in the same pool?
- A
It will always execute before lower-priority threads
- B
It will execute only after all lower-priority threads finish
- C
It may execute before lower-priority threads, but it is not guaranteed
- D
It will be suspended
Question 6
What is the purpose of the Executors class in Java?
- A
To manage threads manually
- B
To provide methods for creating thread pools
- C
To handle thread synchronization
- D
To terminate all threads at once
Question 7
Which of the following thread pool types does Executors.newFixedThreadPool() create?
- A
A pool with a fixed number of threads
- B
A pool that creates threads as needed
- C
A pool that never reuses threads
- D
A pool with unlimited threads
Question 8
Which of the following is true about the ThreadPoolExecutor class?
- A
It is a direct implementation of the Executor interface
- B
It creates a new thread for each task execution
- C
It provides more control over the behavior of the thread pool
- D
It is deprecated
Question 9
Which method is used to submit tasks to an executor in Java?
- A
submit()
- B
add()
- C
execute()
- D
run()
Question 10
What is the result of using an unbounded thread pool?
- A
It can lead to out-of-memory errors if too many threads are created
- B
It will always result in thread starvation
- C
It provides faster execution of tasks
- D
None of the above
There are 10 questions to complete.