seralize C#.cs

using System;
using System.Collections.Generic;
using System.Text;
using System.IO;
using System.Runtime.Serialization.Formatters.Binary;

namespace serializeArray
{
    class Program
    {
        static void Main(string[] args)
        {
            int[] c = new int[(int)char.MaxValue];
            c[5] = 10;
            c[6] = 20;

            SerializeIntArray(c, "test.bin");
            int[] d = DeserializeIntArray("test.bin");
            Console.WriteLine(d[5]);
            Console.WriteLine(d[6]);
        }

        public static void SerializeIntArray(int[] array, string filename)
        {
            FileStream fs = new FileStream(filename, FileMode.Create, FileAccess.Write);
            BinaryFormatter sf = new BinaryFormatter();
            try
            {
                sf.Serialize(fs, array);
            }
            finally
            {
                fs.Close();
            }

        }

        public static int[] DeserializeIntArray(string filename)
        {
            int[] arr;
            FileStream fs = new FileStream(filename, FileMode.Open, FileAccess.Read);
            BinaryFormatter sf = new BinaryFormatter();
            try
            {
                arr = (int[])sf.Deserialize(fs);
            }
            finally
            {
                fs.Close();
            }
            return arr;
        }

    }
}