If a thread calls __________, then every thread waiting for the object becomes eligible to acquire the lock.
A) signalEach
B) signalAll
C) signal
D) signalMethods

Question

Quizplus · Accepted Answer

When a thread calls signalAll, all threads waiting for the object become eligible to acquire the lock, whereas if a thread only calls signal, only one waiting thread is chosen to wake up and try to acquire the lock. Therefore, the best choice is signalAll to wake up all waiting threads.

If a Thread Calls __________, Then Every Thread Waiting for the Object