NIO原理:使用操作系统的IO多路复用功能
https://www.cnblogs.com/cz123/p/8421660.html
Linux I/O复用中select poll epoll模型:
https://blog.youkuaiyun.com/chengzi_comm/article/details/51220163
Unsafe与CAS
unsafe是底层操作类,cas是一种实现机制,automicInteger是采用cas机制实现的原子类。(ABA问题)
两者区别:https://blog.youkuaiyun.com/litter_Strong/article/details/79714476
什么是cas:
https://www.cnblogs.com/upcwanghaibo/p/8626802.html
线程池的类型:3种
https://blog.youkuaiyun.com/dweizhao/article/details/78603277
http和socket之长连接和短连接区别:
https://www.jianshu.com/p/b68d2b26f5f4
https://www.cnblogs.com/gotodsp/p/6366163.html