java concurrency book

(); if NULL ) throw newsecurityexception ("Unsafe"); return Theunsafe;}Note The bold section of the code, which checks the class that calls the Getunsafe () function, and if the class's classloader is not NULL, throws the exception directly, rejecting the work. Therefore, this also makes it impossible for our own applications to use the unsafe class directly. It is an exclusive class used within the JDK.Note: Depending on how the Java

JAVA high-concurrency multi-thread must understand 50 issues, java concurrent multi-thread 50 Http://www.importnew.com/12773.htmlImportNewHomepage all articles Information Web architecture basic technology books and tutorials Java group tools and resourcesTop 50 Java thread

Newkeyset. and the current version of the Concurrenthashmap is more suitable for cache, because it increases the check method when the key value does not exist. new classes in the Java.util.concurrent.atomic In order to compute count and sum concurrently, new Doubleaccumulator, Doubleadder, Longaccumulator, Longadder classes are introduced, providing a higher throughput rate than atomic. a new method of Java.util.concurrent.ForkJoinPool Static Commonpool () is added to provide a universal p

Java high concurrency programming (III), java concurrent programmingDirectory: 1. Several implementation methods of thread security Singleton Mode 2. Synchronize containers 3. Concurrent containersI. Several implementation methods of thread security Singleton Mode 1. Hungry Chinese style (synchronization lock is not used, and the typical space is used for time) p

the Cultural Foundation, the same reason, the programmer and the programmer finally competition is the foundation , when you envy others "the ease" the easy solution to a very difficult bug; When moving your finger to solve a performance problem , and quickly grasp a new technology in a short period of time, please don't forget that he may have spent years or even decades practicing the "textbook" that you abandoned.Finally recommended a few of the operating system

Hello everyone, the Java Commando has been officially released in early September. This book may be a lot of people will have different feelings, most of them are expected.However, if you have any questions, you can get back to me in the blog and I will respond to them in the text.Here are some questions that some of my classmates have asked me recently:"There is a problem with code compilation on the disc,

[JAVA concurrency] basic thread mechanism, java concurrent threadBasic thread Mechanism A program can be divided into multiple independent tasks, and each independent task can be executed by a thread; A process can contain several threads, that is, a number of concurrent tasks. When the program is running, the CPU time is divided into segments and allocated to al

Common solutions for Java high concurrency and java Solutions Common solutions for high concurrency in Java 1. ConcurrencyWhat is high concurrency? In the Internet era, high concurrency