Core Java 면접 질문과 답변
Question: Difference between wait, notify and notifyAll in Core Java.Answer:Methods - wait, notify, and notifyAll are used for inter thread communication in Java. wait() allows a thread to check for a condition, and wait if condition doesn't met, while notify() and notifyAll() method informs waiting thread for rechecking condition, after changing state of shared variable. hough Both notify() and notifyAll() are used to notify waiting threads, waiting on shared queue object, but there are some subtle difference between notify and notifyAll in Java. Well, when we use notify(), only one of the sleeping thread will get notification, while in case of notifyAll(), all sleeping thread on that object will get notified. |
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