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

namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {
            ArrayList list = new ArrayList();
            //ArrayList的一些方法
 

            //Remove RemoveAt RemoveRange Clear Insert InsertRange Reverse Sort

            Hashtable ht = new Hashtable();
            ht.Add(1, "張三");
            ht.Add(true, "男");
            //鍵值對集合中鍵必須是唯一的，
            ht[1] = "sim";

            foreach (var item in ht.Keys)
            {
                Console.WriteLine("{0}----------------{1}"
 
, item, ht[item]);
            }
            // Console.ReadKey();

            //Path.GetFileNameWithoutExtension();

            byte[] buffer = File.ReadAllBytes(@"C:\Users\yn\Pictures\C#\C#.txt");
            string s = Encoding.GetEncoding("UTF-8").GetString(buffer);

            Console.WriteLine(s);
            Console.ReadKey();


            string
 
 str = "qweqweqwe";
            byte[] buffer1 = Encoding.Default.GetBytes(str);
            File.WriteAllBytes(@"C:\1.txt", buffer1);

        }
    }
}