using System;
using System.IO;
using System.Collections;
using System.Runtime.Serialization.Formatters.Soap;
using System.Runtime.Serialization.Formatters.Binary;

class MainClass
{
    private static void BinarySerialize(ArrayList list)
    {
        using (FileStream MyFileStream = File.Create("Mypeople.bin"))
        {
            BinaryFormatter MyBinaryFormatter = new BinaryFormatter();
            MyBinaryFormatter.Serialize(MyFileStream, list);
        }
    }

    private static ArrayList BinaryDeserialize()
    {
        ArrayList Mypeople = null;
        using (FileStream MyFileStream = File.OpenRead("Mypeople.bin"))
        {
            BinaryFormatter bf = new BinaryFormatter();
            Mypeople = (ArrayList)bf.Deserialize(MyFileStream);
        }
        return Mypeople;
    }

    private static void SoapSerialize(ArrayList list)
    {
        using (FileStream MyFileStream = File.Create("Mypeople.soap"))
        {
            SoapFormatter MySoapFormatter = new SoapFormatter();
            MySoapFormatter.Serialize(MyFileStream, list);
        }
    }

    private static ArrayList SoapDeserialize()
    {
        ArrayList Mypeople = null;
        using (FileStream MyFileStream = File.OpenRead("Mypeople.soap"))
        {
            SoapFormatter MySoapFormatter = new SoapFormatter(); 
            Mypeople = (ArrayList)sf.Deserialize(MyFileStream);
        }
        return Mypeople;
    }
    public static void Main()
    {

        ArrayList Mypeople = new ArrayList();
        Mypeople.Add("A");
        Mypeople.Add("B");
        Mypeople.Add("C");
        Mypeople.Add("D");


        BinarySerialize(Mypeople);
        SoapSerialize(Mypeople);

        ArrayList binaryPeople = BinaryDeserialize();
        ArrayList soapPeople = SoapDeserialize();

        Console.WriteLine("Binary people:");
        foreach (string Mystring in binaryPeople)
        {
            Console.WriteLine("\t" + Mystring);
        }

        Console.WriteLine("\nSOAP people:");
        foreach (string Mystring in soapPeople)
        {
            Console.WriteLine("\t" + Mystring);
        }
    }
}