如何使ArrayList容器转换成线程安全的容器

/**
 * @Author yqq
 * @Date 2022/06/05 22:16
 * @Version 1.0
 */
public class Test01 {
    public static void main(String[] args) {
        ArrayList oldList = new ArrayList();
        
        List list = Collections.synchronizedList(oldList);
        //创建线程池
        ExecutorService es = Executors.newFixedThreadPool(100);
        //并发向集合中添加10000个数据
        for (int i = 0; i < 10000; i++) {
            es.execute(() -> {
                list.add("aaa");
            });
        }
        es.shutdown();
        //监控线程是否执行完成
        while (true){
            //线程都执行完后返回true
            if (es.isTerminated()){
                System.out.println("所有线程都执行完毕");
                System.out.println(list.size());
                if (list.size() == 10000)
                    System.out.println("线程安全");
                else
                    System.out.println("线程不安全");
                break;
            }
        }
    }
}