foreach遍历各种数组（ArrayList要用Object来遍历）

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

namespace TraversalArray
{
    class Program
    {
        static void Main(string[] args)
        {
            string[,] Department = { { "Sales", "Product", "Engineer" }, { "Warehouse", "Manager", "Resource" } };
            foreach (string strDept in Department)
            {
                Console.WriteLine(strDept);
            }
            ArrayList myAl = new ArrayList();
            myAl.Add("The");
            myAl.Add("number");
            myAl.Add("is");
            myAl.Add(103);
            foreach (object objinarr in myAl)
            {
                Console.WriteLine(objinarr);
            }
            Console.WriteLine();

        }
    }
}