The Atomic classes in Java 5: AtomicInteger and AtomicLong,AtomicReference etc.
摘要：
TheAtomicIntegerclass has a number of uses, but one is a drop-in replacement for an atomic counter. Before Java 5, we had to write classes with access to the counter variable insynchronizedblocks or methods, or else use avolatilevariable which is a lighter form of synchronization but with the risk t 阅读全文