Java中如何限制方法访问的并发数:https://blog.csdn.net/manzhizhen/article/details/81413014
线程池排队策略 & 拒绝策略:
https://blog.csdn.net/ican87/article/details/80874933?utm_source=blogxgwz1
https://blog.csdn.net/zuochao_2013/article/details/81511664
线程阻塞方法:https://blog.csdn.net/liyuchong2537631/article/details/51900198
JMM:http://www.cnblogs.com/lewis0077/p/5143268.html
AQS:https://www.cnblogs.com/dream-to-pku/p/9186126.html
state、cas
线程池和futurejoin的区别:https://my.oschina.net/u/3179885/blog/1836991
四种线程池:https://blog.csdn.net/honghailiang888/article/details/51690711