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MoneZhao / monezhao.github.io

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https://monezhao.github.io/
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ArrayList 遍历删除 | Mone Zhao 的博客 #28

Open MoneZhao opened 5 years ago

MoneZhao commented 5 years ago

https://monezhao.github.io/2019/08/02/ArrayList-loop-remove/

list的遍历分为3种: 普通遍历, for(int i=0;i<list.size();i++) 增强for循环, for(Object x:list) iterator遍历, Iterator<String> it = list.iterator(); while(it.hasNext()){} 同时ArrayList和线程安全的CopyOnWriteArrayList不