阿里巴巴菜鸟包裹java面试总结

jvm的基本原理，分为几块

https://www.cnblogs.com/dingyingsi/p/3760447.html

事务有几个等级

https://blog.csdn.net/liwenxia626/article/details/79012051

字节码文件编译引擎

https://blog.csdn.net/u013678930/article/details/51980460

equals和hash码

https://www.cnblogs.com/zyj-bozhou/p/6733309.html

缓存查看、释放

https://www.cnblogs.com/wean/archive/2012/05/16/2502724.html

一级缓存二级缓存

https://www.cnblogs.com/fengli9998/p/6180433.html

B-tree

https://www.cnblogs.com/gym333/p/6877023.html

HashMap和HashTabel的底层

https://www.cnblogs.com/holyshengjie/p/6500463.html