数组、数组链表ArrayList和List、Dictionary、SortedList、Hashtable

using System;
using System.Collections.Generic;//数值链表的头文件
using System.Linq;
using System.Text;
using System.Collections;//数值链表的头文件

namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {
            int[] nmbers = new int[5];
            string[,] names = new string[5, 4];
            byte[][] scores = new byte[5][];
            for (int i = 0; i < scores.Length; i++)
            {
                scores[i] = new byte[i + 3];

            }
            for (int i = 0; i < scores.Length; i++)
            {
                Console.WriteLine("Length of row{0}  is   {1}", i, scores[i].Length);
                int[] nmbers2 = new int[5] { 1, 2, 3, 4, 5 };
                string[,] name2 = { { "g", "k" }, { "dd", "eee" } };
                int a = nmbers2.Length;

               // Console.ReadLine();
            }
            ArrayList al = new ArrayList(); //数值链表
            al.Add(5);
            al.Add(100);
            al.Remove(5);
            al.Add("dfdfdfdfdf");
            foreach (var a in al)
            {
                Console.WriteLine(a);
            }

            Console.WriteLine(al[0]);
            List<int> intList = new List<int>();//数值链表
            intList.Add(500);//增加
            intList.AddRange(new int[]{501,502});//增加
            Console.WriteLine(intList.Contains(200));//是否存在某个数值
            Console.WriteLine(intList.IndexOf(501));//查找第一次出现某个值得位置
            intList.Remove(501);//删除
            intList.Insert(1,1001);//插入


            Hashtable ht = new Hashtable();//哈希表    类型不规定

            ht.Add("first","jike");  //键值  数值
            ht.Add("second","xueyuan");
            Console.WriteLine(ht[99]); //不存在一个键值  返回为空
            Dictionary<string, string> d = new Dictionary<string, string>();//   类型规定  强类型  线程不安全。线程安全是ConcurrentDictionary 多字典
            d.Add("first","jike");
                //不在一个键值，会抛出一个异常
            Console.WriteLine(ht["second"]);

            SortedList<int, int> s1 = new SortedList<int, int>();//根据键值 排序  跟值大小、增加的顺序无关
            s1.Add(5,105);
            s1.Add(2, 1025);
            s1.Add(4, 1055);
            s1.Add(6, 1015);
            s1.Add(7, 1005); 
            s1.Add(51, 1035);
            s1.Add(35, 1095);
            foreach (var sle in s1)
            {
                Console.WriteLine(sle.Value);//可以键值和值进行
            }
            //stack栈，queue队列 
            Console.ReadLine();
        }
    }
}