The ________ method is called by a thread that has just changed the state of some shared data in a way that may benefit waiting threads.
A)run
B)lock
C)unlock
D)signalAll

Question

Quizplus · Accepted Answer

The 'signalAll' method is used to wake up all the threads that are waiting on the same object's monitor. It is called by a thread that has just changed the state of some shared data in a way that may benefit waiting threads. Therefore, it is the best choice for the scenario described in the question. The 'run' method is used to start a new thread, the 'lock' method is used to acquire the lock on an object's monitor, and the 'unlock' method is used to release the lock on an object's monitor.

The ________ Method Is Called by a Thread That Has