JVM学习网址

看完这篇JVM，阿里面试官都不怕！看完就能拿offer

https://blog.csdn.net/Java_3y/article/details/104375866

jvm知识点总览

https://zhuanlan.zhihu.com/p/25511795

java类的加载机制

https://www.cnblogs.com/ityouknow/p/5603287.html

JVM内存结构

https://www.cnblogs.com/ityouknow/p/5610232.html