In Java Concurrency in Practice, the creators of these new facilities explain not only how they work and how to use them, but also the motivation and design patterns behind them.However, developing, testing, and debugging multithreaded programs can still be very difficult; it is all too easy ...
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A service that decouples the production ofnewasynchronous tasks from the consumption of the results of completed tasks. Producers submit tasksforexecution. Consumers take completed tasks and process their results in the order they complete. A CompletionService canforexample be used to manage asynchronous...
JavaConcurrencyInPractice-线程池的使用 1、摘要 线程池的使用使得任务的提交与执行解耦开来,但是,线程池可以执行所有任务吗? 答案是——不能,线程池中封装了任务的执行策略,提供了几种执行策略的实现, 但是,不是所有的任务都能由这些策略来执行的: 1、依赖性任务,任务的执行依赖其他任务。 2、使用线程封闭机制的...
Java Concurrency in Practice 作者:Brian Goetz/Tim Peierls/Joshua Bloch/Joseph Bowbeer/David Holmes/Doug Lea 出版社:Addison-Wesley Professional 出版年:2006-5-19 页数:384 定价:USD 59.99 装帧:Paperback ISBN:9780321349606 豆瓣评分 9.4 365人评价
JavaConcurrencyInPractice-任务执行 1、任务 什么是任务? 任务通常是一组抽象且离散的工作单元,通过把程序的功能分解到多个任务, 可以简化程序结构,优化错误处理,以及提供自然的并行工作结构。 找出任务的边界: 在理想的情况下,任务应该是相互独立的,任务的独立有助于实现并发。
注:Java 线程不安全就是指一个变量或方法同时满足“可变”、“共享”两个属性,并且没有采取正确的同步策略;线程安全就是只要打破其中一个,或者采取正确的同步策略。 面向对象中的抽象和封装会降低程序的性能,但在编写程序时,一种正确的编程方式是:首先使代码正确运行,然后再提高代码的性能。 最好是当性能测试结果...
Latest Edition: 1st edition No of Pages: 432 pages View on Amazon View on Flipkart Java Concurrency in Practice is a reference book written by Brain Goetz. The book offers an inventory of concurrency APIs and mechanisms. It also includes design rules, patterns, and mental models that make...
JDK Concurrency Czar, Sun Microsystems "For the past 30 years, computer performance has been driven by Moore's Law; from now on, it will be driven by Amdahl's Law。 Writing code that effectively exploits multiple processors can be very challenging。Java Concurrency in Practiceprovides you with...
JavaConcurrencyInPractice-取消与关闭 1、摘要 让线程和任务启动很容易,但是,要安全地关闭它们,就不是那么容易了。 Java中没有提供任何机制来安全地终止线程。 中断(Interruption)只是一种协作机制,然一个线程告诉另一个线程:我想让你停下来。 但是,另一个线程是否会停下来取决于它执行的任务里面是否响应了中断,...