数据类型的构造函数初始值

        static void Main(string[] args)
        {
            Console.WriteLine("*********");

            NewingDataTypes();


            Console.ReadLine();
        }

        private static void NewingDataTypes()
        {
            bool b = new bool();
            int i = new int();
            double d = new double();
            DateTime dt = new DateTime();
            Console.WriteLine("{0},{1},{2},{3}", b, i, d, dt);
        }