https://github.com/Snailclimb/JavaGuide/blob/master/docs/java/jvm/Java%E5%86%85%E5%AD%98%E5%8C%BA%E5%9F%9F.md#java-%E5%86%85%E5%AD%98%E5%8C%BA%E5%9F%9F%E8%AF%A6%E8%A7%A3
