Shulou(Shulou.com)06/02 Report--

This article is about how JAVA implements multithreaded concurrency containers. The editor thinks it is very practical, so share it with you as a reference and follow the editor to have a look.

1. ArrayList thread is not safe; CopyOnWriteArrayList thread safety

Package concurrent

Import java.util.ArrayList

Import java.util.Iterator

Import java.util.List

Import java.util.concurrent.CopyOnWriteArrayList

/ * CopyOnWriteArrayList replaces ArrayList * / public class CopyOnWriteArrayListDemo {public static void main (String [] args) {List list = new CopyOnWriteArrayList (); / / List list = new CopyOnWriteArrayList (); for (int iTuno)

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