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Wait notify and notifyAll method in Java

Most of Java developer knows that wait() ,notify() and notifyAll() method of object class must have to be called inside synchronized method or synchronized block in Java but how many times we thought why ? Recently this questions was asked to in Java interview to one of my friend, he pondered for a moment and replied that if we don’t call wait () or notify () method from synchronized context we will receive IllegalMonitorStateException in java. He was right in terms of behavior of language but as per him interviewer was not completely satisfied with the answer and wanted to explain more about it. After the interview he discussed the same questions with me and I thought he might have told about race condition between wait () and notify () in Java that could exists if we don’t call them inside synchronized method or block. read full article at Why wait (), notify () and notifyAll () must be called from synchronized block or method in Java

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