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

namespace ConsoleApplication1
{
    class Program
    {
       
        static void Main(string[] args)
        {
            
            //將前兩個數字變為0
            int[] a = new int[4]{1,2,3,4};
            Array.Clear(a, 0, 2);
            for(int i = 0;i<4;i++)
                Console.Write(a[i]);
            Console.WriteLine("");
           //Copy a的前三個到b
            int[] b = new int[6];
            Array.Copy(a, b, 3);
            for(int j = 0; j<6;j++)
                Console.Write(b[j]);
            //排列
            int[]  = { 4, 1, 3, 2 };

            PrintArray(a);
            Console.WriteLine(a.Contains(9));//看有沒有9這個數字
           
            a.Insert(2, 5);//在儲存位置2加一個數字5
            PrintArray(a);

            a.Remove(10);//移除10這個字串
            PrintArray(a);
            a.RemoveAt(3);//移除陣列中第四個(儲存位置為3)
            PrintArray(a);
            Console.WriteLine(a.Count);//數有幾個
            Console.WriteLine(a[0]);//取得儲存位置為0的值

            //Queue 佇列 //first in first out
            //Stack 堆疊 //first in last out    

        }
        public static void PrintArray(ArrayList a)
         {
            for (int i = 0; i < a.Count; i++)
                Console.Write("{0}\t", a[i]);//{0}\為一個空格
            Console.WriteLine();
         }
        public static void PrintQueue(Queue q)
         {
        foreach(object o in q)
       Console.Write(o + " " );
        Console.WriteLine();
         }
        public static void PrintValue(Stack  s)
         {
         foreach(object o in s)
        Console.Write("{0} \t" , o);
         Console.WriteLine();
         }
        public static void PrintValue(Object [] a)
         {
         foreach(object o in a)
        Console.Write("{0} \t" , o );
         Console.WriteLine();
         }

    }
}