摘要： ArrayList元素的添加using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Collections;//在C#中使用ArrayList必须引用Collections类namespace arrayD{class Program{static void Main(string[] args){int[] arr = new int[] { 1,2,3,4,5};ArrayList list = new ArrayList(arr);Console.Writ 阅读全文