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引言很多人一直困惑于 join wait await sleep park 这几个方法，这几个方法都能阻塞线程，而从翻译字面意思来看，有些词看起来似乎还有点反义词的意思，为什么还是经常将他们并列提起，而且说实际作用类似，都会将当前线程阻塞？他们的关系究竟如何，到底完成了什么功能呢&#x...

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java线程之等待/通知机制

等待通知机制一个线程修改了对象的值，而另一个线程感知了变化并进行相应操作，整个过程开始于一个线程而最终执行又是另一个线程。前者是生产者，后者是消费者，这种模式隔离了“做什么”和“怎么做”，在功能层面上实现了解耦，体系结构上具有良好的伸缩性。在java语言中如何实现呢?示例简单的方法就是让消费者线程不...

Java线程等待、唤醒通信机制详解（下）

4 线程协作（JDK API）细分为: suspend/resume 、 wait/notify、 park/unparkJDK中对于需要多线程协作完成某一任务的场景，提供了对应API支持。多线程协作的典型场景是:生产者-消费者模型。(线程阻塞、线程唤醒)示例线程-1去买包子，没有包子，则不再执行...

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要想实现多个线程之间的协同，如：线程执行先后顺序、获取某个线程执行的结果等。涉及到线程之间相互通信，分为如下四类：1 文件共享2 网络共享socket编程3 共享变量

java 并行处理-更新值-仅一个线程更新该值-等待并继续执行

用例：我正在编写一个主动的会话更新程序；用例适用于并行API调用或顺序API调用拦截API调用并检查令牌是否有效。如果令牌有效，则继续调用。如果令牌无效，则首先更新令牌，然后继续进行API调用。这对于顺序调用来说是一条小路，但是对于并行调用，我想避免DDOS对重复的令牌调用使用服务器。相反，...

java-线程等待/同步的五种方法

在面试时，经常会有面试官问道，一个主线程有多个子线程，如何能使子线程的业务执行完成之后，再执行主线程业务逻辑。对于这个问题，本人能够想到的有五种方法，详细请移步源码 1、使用线程类自带的join方法，将子线程加入到主线程，在子线程执行完之后，在执行主线程逻辑。例如 [java] view...

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