Synchronized methods and blocks allow a thread to lock an object on entry and unlock the object on exit (to the method or block).
同步的方法和代码块允许线程在入口处锁定对象并在出口处解锁(针对方法或代码块)。
2
Multidimensional Clustering (V8 GA) : Implements a form of index compression by using block indexes, one index entry for thousands of records.
多维集群(V 8 GA)：使用块索引，数千个记录共用一个索引条目，实现索引压缩。
3
The raidtab syntax is fairly easy to figure out — each block of directives begins with a "raiddev" entry specifying the raid volume that will be created.