JUC并发（并发的包）下的CopyOnWriteArrayList(线程安全的集合)

package com.wyh.thread;
import java.util.concurrent.CopyOnWriteArrayList;
/**
 * @program: Thread
 * @description: JUC并发包下的安全集合
 * @author: 魏一鹤
 * @createDate: 2022-01-16 18:12
 **/
//JUC 安全类型的集合
public class TestJUC {
public static void main(String[] args){
//JUC下的安全类型的集合 这个是集合是线程安全带
        CopyOnWriteArrayList<String> copyOnWriteArrayList=new CopyOnWriteArrayList<String>();
for (int i = 0; i < 10000; i++) {
new Thread(()->{
//循环插入10000条数据
                copyOnWriteArrayList.add(Thread.currentThread().getName());
            }).start();
        }
//阻塞1s
        try {
            Thread.sleep(1000);
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
        System.out.println(copyOnWriteArrayList.size());
    }
}