"Reliable" single-case mode

Static constructor Singleton mode public sealed class singleton{    private static readonly Singleton _instance = new Singleton ();    Static Singleton ()    {    }    private Singleton ()    {    } public    static Singleton Instance    {        Get        {            return _instance;}}    }

　　

Singleton mode for deferred construction objects///<summary>///in. Net4.0 or later versions///</summary>public sealed class singleton{    private static readonly lazy<singleton> Lazy =        new Lazy<singleton> (() = new Singleton ());    public static Singleton Instance {get {return lazy. Value; }}    private Singleton ()    {    }}

　　

"Reliable" single-case mode