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Waiting Notification Mechanism of Java

In some cases, we need to share certain resources in a certain order among several or more threads. For example, in the producer-consumer relationship, in this relationship, it is always possible for the consumer to consume after the producer has produced the product; or in the father-son relationship, there is always a father before a son. However, before the introduction of the waiting notification mechanism, we often get the wrong situation.

Examples of consumers:

/ * =

* File: ThreadDemo07.java

* description: producer-consumer

* Note: some of the notes were added according to my own understanding.

* =

, /

/ / shared data objects

Class ShareData {

Private char c

Public void setShareChar (char c) {

This.c = c

}

Public char getShareChar () {

Return this.c

}

}

/ / producer thread

Class Producer extends Thread {

Private ShareData s

Producer (ShareData s) {

This.s = s

}

Public void run () {

For (char ch = 'Agar; ch)

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