互联网架构多线程高并发高级
https://www.yuque.com/haomingzi-kowv5/ex42am
JAVA多线程与高并发
https://www.yuque.com/ezerror/nldwks
Threadlocal概述,虚引用和内存泄露
https://www.yuque.com/kylinxiang/java-concurrency/xsg43i
https://www.yuque.com/vy3pb8/gzttsv/fes1yk
IO模型
https://www.yuque.com/kylinxiang/java-concurrency/ncw7dk