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Get a quick introduction to the most interesting parts of writing concurrent programs in Kotlin, including dispatchers, contexts, channels, and flows. The ability to perform multiple operations ...

如何禁止指令重排序？ 在 Java 中，volatile 关键字除了可以保证变量的可见性，还有一个重要的作用就是防止 JVM 的指令重排序。 如果我们将变量声明为 volatile ，在对这个变量进行读写操作的时候，会通过插入特定的 内存屏障 的方式来禁止指令重排序。

A monthly overview of things you need to know as an architect or aspiring architect. Unlock the full InfoQ experience by logging in! Stay updated with your favorite authors and topics, engage with ...

A monthly overview of things you need to know as an architect or aspiring architect. Unlock the full InfoQ experience by logging in! Stay updated with your favorite authors and topics, engage with ...

也就是说， 共享资源每次只给一个线程使用，其它线程阻塞，用完后再把资源转让给其它线程。 像 Java 中 synchronized 和 ReentrantLock 等独占锁就是悲观锁思想的实现。 悲观锁通常多用于写多比较多的情况下（多写场景），避免频繁失败和重试影响性能。

Abstract: Writing high quality concurrent programs is challenging. A concurrent program that is not well-written may suffer from coarse synchronization problems, e.g., overly-large critical sections, ...

One of my goals at JavaOne 2010 was to attend some sessions on Java concurrency. I had not been aware of the Java Concurrent Animated project until reading the abstract for this presentation: This ...