c# 中的arrlist queue HashtableTest SortedList stack 集合

using System;
using System.Collections.Generic;
using System.Text;
using System.Collections;
namespace arraylist
{
    class Program
    {
        static void Main(string[] args)
        {
            ArrayList arrlist = new ArrayList();
            arrlist.Add("苹果");//增加
            arrlist.Add("香焦");
            arrlist.Add("葡萄");
            foreach (int n in new int[3] { 0, 1, 2 })
            {
                arrlist.Add(n);
            }
            arrlist.Remove(0);//移除值为0的数
            arrlist.RemoveAt(3);//移除索引为3的数
            arrlist.Insert(1, "apple");//在指定索引处插入数
            for (int i = 0; i < arrlist.Count; i++)
            {
                Console.WriteLine(arrlist);
            }
            Console.Read();
        }
    }
}

using System;
using System.Collections.Generic;
using System.Text;
using System.Collections;
namespace HashtableTest
{
    class Program
    {
        static void Main(string[] args)
        {
            Hashtable student = new Hashtable();
            student.Add("001","Tom");//增加

            student.Add("002", "Lily");
            student.Add("003", "Jime");
            student.Add("004", "Lucy");
            foreach (DictionaryEntry element in student)
            {
                string di =element.Key .ToString ();
                string name = element .Value .ToString ();
                Console.WriteLine("学生的ID：{0}  学生的姓名 {1}",di,name );
            }
            student.Remove("003");
            Console.WriteLine("删后遍历队：");
            foreach (DictionaryEntry element in student)
            {
                string di = element.Key.ToString();
                string name = element.Value.ToString();
                Console.WriteLine("学生的ID：{0}  学生的姓名 {1}", di, name);