What Is the Difference Between Wait () Notify () and notifyAll ()?
The wait() method causes the current thread to wait until another thread invokes the notify() or notifyAll() methods for that object. The notify() method wakes up a single thread that is waiting on that object's monitor. The notifyAll() method wakes up all threads that are waiting on that object's monitor.

What's the difference between notify () and notifyAll ()?

As in the case of notify() method, the notification is sent to a single thread among the multiple waiting threads, so it is sure that which of those waiting threads is going to receive the lock. On the other hand, notifyAll() sends a notification to all waiting threads.

Why wait () notify () and notifyAll () method have to be called from the synchronized context?

Calling notify() or notifyAll() methods issues a notification to a single or multiple threads that a condition has changed and once the notification thread leaves the synchronized block, all the threads which are waiting for fight for object lock on which they are waiting and lucky thread returns from wait() method ...
Alexander Ross

Alexander Ross

Gaming, Esports & Interactive Media Writer

Alexander Ross has covered the video game industry for a decade, writing deep dives on game design, esports tournaments, VR developments, and gaming culture.

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