测试JUC安全类型的集合 CopyOnWriteArrayList

package com.guo.syn;

import java.util.concurrent.CopyOnWriteArrayList;

//测试JUC安全类型的集合
public class TestJUC {

    public static void main(String[] args) {

        CopyOnWriteArrayList<String> list = new CopyOnWriteArrayList<>();

        for (int i = 0; i < 10000; i++) {
            new Thread(()->{
                list.add(Thread.currentThread().getName());
            }).start();
        }

        try {
            Thread.sleep(3000);
        } catch (InterruptedException e) {
            throw new RuntimeException(e);
        }

        System.out.println(list.size());

    }
}