单例模式

构造类

 class God
    {
        private static God Instance = new God();
        private God() { }
        
        public void ZhaoYaoDaDi()
        {
            Console.WriteLine("照耀大地");
        }
        public static God GetInstace()
        {
            return Instance;
        }
    }

调用

class Program
    {
        static void Main(string[] args)
        {
            // God d1 = new God();

            God.GetInstace().ZhaoYaoDaDi();
            //God.Instance.ZhaoYaoDaDi();
            Console.ReadKey();

        }
    }