} //기본생성자 public static CalcManager SingleTon() { if (calcInstance == null) { calcInstance = new CalcManager(); } return(calcInstance); }
static void Main(string[] args) { CalcManager manager = CalcManager.SingleTon(); int select; while (true) { while (true) { manager.MainView(); try { select = int.Parse(Console.ReadLine()); switch (select) { } } catch (Exception err) { Console.WriteLine(err.Message); } } } }