From 7a9bd8e15686e60549da143051bb2eaff19a5ad6 Mon Sep 17 00:00:00 2001 From: hekuangsheng Date: Tue, 8 Dec 2020 11:13:13 +0800 Subject: [PATCH] add more artical --- WeChat_Blog.md | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/WeChat_Blog.md b/WeChat_Blog.md index 2130b62..33c5ac2 100644 --- a/WeChat_Blog.md +++ b/WeChat_Blog.md @@ -50,8 +50,9 @@ [Java ConcurrentHashMap 高并发安全实现原理解析](https://mp.weixin.qq.com/s/4sz6sTPvBigR_1g8piFxug) [java.util.ConcurrentModificationException详解](https://www.jianshu.com/p/c5b52927a61a) -> 迭代ArrayList的Iterator中有一个变量expectedModCount，该变量会初始化和modCount相等，但如果接下来如果集合进行修改modCount改变，就会造成expectedModCount!=modCount -Iterator的remove会修改expectedModCount，对单线程有用多线程无用 +> 迭代ArrayList的Iterator中有一个变量expectedModCount +该变量会初始化和modCount相等，但如果接下来如果集合进行修改modCount改变，就会造成expectedModCount!=modCount +Iterator的remove会修改expectedModCount，对单线程有用多线程无用 [Java并发编程：并发容器之CopyOnWriteArrayList](http://www.cnblogs.com/dolphin0520/p/3938914.html) CopyOnWrite容器也是一种读写分离的思想，读和写不同的容器