Multi ThreadingPractice Questions

ReentrantLock is called reentrant because —

Which method of Lock interface releases the lock?

What is the purpose of tryLock() method?

ReadWriteLock allows —

Which of these is a thread-safe version of HashMap?

Which concurrent collection is suitable for a producer-consumer model?

What happens when you call take() on an empty BlockingQueue?

Which collection creates a new copy of the array on every write?

CountDownLatch is used for —

CyclicBarrier is used when —