C#

代码：

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

//引用相应命名空间
using System.Threading;
using System.Collections;

namespace ThreadDemo
{
    class ThreadDemo
    {

        private Thread thread1;

        private Thread thread2;

        private ArrayList arraylist;

        //删除所有数据之后，执行事件
        private event EventHandler OnNumberClear;

        /// <summary>
        /// 构造函数
        /// </summary>
        /// <param name="Number">数字</param>
        public ThreadDemo(int Number)
        {
            //创建随机对象
            Random db = new Random(1000000);

            //创建数组
            arraylist = new ArrayList(Number);

            //循环将产生的随机数放到数组中。
            for (int i = 0; i < Number; i++)
            {
                arraylist.Add(db.Next().ToString());
            }

            //ThreadStart表示在此线程上调用的方法
            thread1 = new Thread(new ThreadStart(Run));

            //ThreadStart表示在此线程上调用的方法
            thread2 = new Thread(new ThreadStart(Run));

            OnNumberClear += ThreadDemo_OnNumberClear;
        }

        /// <summary>
        /// 事件执完成之后，执行事件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        void ThreadDemo_OnNumberClear(object sender, EventArgs e)
        {
            Console.WriteLine("执行完成，停止所有线程！");
            thread1.Abort();//终止线程
            thread2.Abort(); //终止线程
        }

        /// <summary>
        /// 两个线程要执行的方法
        /// </summary>
        public void Run()
        {
            string stringValue = null;
            while (true)
            {
                Monitor.Enter(this);//锁定，保持同步
                stringValue = (string)arraylist[0];
                Console.WriteLine(Thread.CurrentThread.Name + "删除了" + stringValue);
                arraylist.RemoveAt(0);//删除ArrayList中的元素
                if (arraylist.Count == 0)
                {
                    OnNumberClear(this, new EventArgs());//引发完成事件
                }
                Monitor.Exit(this);//取消锁定
                Thread.Sleep(5);
            }
        }

        /// <summary>
        /// 启动两个线程
        /// </summary>
        public void Active()
        {

            thread1.Start();
            thread2.Start();
        }


        /// <summary>
        /// Main
        /// </summary>
        public static void Main()
        {
            ThreadDemo th = new ThreadDemo(200);

            th.Active();
        }
    }
}