C#

public class MyClass
{
	private string str;

	public string Str
	{
		get{return str;}
		set{str = value;}
	}
}
[STAThread]
static void Main(string[] args)
{
	MyClass mycls = new MyClass();
	mycls.Str = " ";   //a space assigned

	//Serialize it
	TextWriter tw = new StreamWriter("str.xml"); 
	XmlSerializer sr = new XmlSerializer(typeof(MyClass)); 
	sr.Serialize(tw, mycls);
	tw.Close();

	//Deserialize
	FileStream fs = new FileStream("str.xml", FileMode.Open); 
	XmlSerializer sr2 = new XmlSerializer(typeof(MyClass)); 
	MyClass mycls2 = (MyClass)sr2.Deserialize(fs);
	fs.Close();
	Console.WriteLine("***" + mycls2.Str + "***" );
}