Why wait notify and notifyAll called from synchronized
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Total Hits: 12451
Total Votes: 140 votes
Category: JAVA/Core JAVA
Submitted on: 2011-06-27 15:10:07
Submitted By: Javin Paul
Description:We use wait () and notify () or notifyAll () method mostly for inter-thread communication. One thread is waiting after checking a condition e.g. In Producer Consumer example Producer Thread is waiting if buffer is full and Consumer thread notify Producer thread after he creates a space in buffer by consuming an element. calling notify() or notifyAll() issues a notification to a single or multiple thread that a condition has changed and once notification thread leaves synchronized block , all the threads which are waiting fight for object lock on which they are waiting and lucky thread returns from wait() method after reacquiring the lock and proceed further. Let’s divide this whole operation in steps to see a possibility of race condition between wait () and notify () method in Java More detail...