synchronized 可以保证代码块中所有被访问的变量将会从主存中读入，当线程退出同步代码块时，所有被更新的变量都会被刷新回主存中去，不管这个变量是否被声明为volatile。 那么java中的Lock系列是如何实现lock的时候所有被访问的变量是最新值，以及unlock的时候 ...

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Hazelcast today announced the beta release of the latest version of its namesake in-memory data grid, Hazelcast IMDG 3.12. With this release, the company adds new features focused on data integrity, ...