整理两个JVM博客集合，空闲时候可以看

纯洁的微笑写的：https://www.cnblogs.com/ityouknow/p/5614961.html

集合：http://www.cnblogs.com/ityouknow/category/437541.html

优快云：https://blog.youkuaiyun.com/ochangwen/article/category/6227490

类加载机制：双亲委派机制：

https://blog.youkuaiyun.com/ochangwen/article/details/51473120