Update README.md

Author: Snailclimb

README.md

@@ -80,6 +80,7 @@
 * [并发编程面试必备：JUC 中的 Atomic 原子类总结](https://github.com/Snailclimb/Java_Guide/blob/master/Java相关/Multithread/Atomic.md)
 * [并发编程面试必备：AQS 原理以及 AQS 同步组件总结](https://github.com/Snailclimb/Java_Guide/blob/master/Java相关/Multithread/AQS.md)
 * [BATJ都爱问的多线程面试题](https://github.com/Snailclimb/Java_Guide/blob/master/Java相关/Multithread/BATJ都爱问的多线程面试题.md)
+* [并发容器总结](https://github.com/Snailclimb/Java_Guide/blob/master/Java相关/Multithread/并发容器总结.md)
 
 ### Java IO 与 NIO