Mảng các Stream (Array of streams) trong C#

Khởi tạo mảng string:

string[] names = new string[] {"Jack", "Tom"};

Duyệt foreach ghi vào file:

using (StreamWriter sw = new StreamWriter("names.txt")) {
    foreach (string s in names) sw.WriteLine(s);
}

Ví dụ

using System;
using System.IO;
namespace FileApplication {
    class Program {
        static void Main(string[] args) {
            string[] names = new string[] {"Jack", "Tom"};
            using (StreamWriter sw = new StreamWriter("names.txt")) {
                foreach (string s in names) sw.WriteLine(s);
            }
            string line = "";
            using (StreamReader sr = new StreamReader("names.txt")) {
                while ((line = sr.ReadLine()) != null) Console.WriteLine(line);
            }
            Console.ReadKey();
        }
    }
}