Second, as the files are already in a format usable by the Java HotSpot VM, the memory used to process the original class files never happens, which improves startup time.

• 其次,由于这些文件采用了Java HotSpot虚拟机能够使用的格式,所以永远不会发生需要内存来处理原始类文件的情况,这也改善了启动时间。