如何把一个 Array 复制到 ArrayList 里？

using System;
using System.Collections;
namespace CatMouseMaster
{
class Program
{
static void Main(string[] args)
{
string[] array = { "2345" };
ArrayList arraylist = new ArrayList();
for (int i = 0; i < array.Length; i++)
{
arraylist.Add(array.GetValue(i));
}

for (int i = 0; i < arraylist.Count; i++)
{
Console.Write(arraylist[i]);
}
}
}
}