public static EagerSingleton GetInstance() { if (_instance == null) { _instance = new EagerSingleton(); } return(_instance); }
static void Main(string[] args) { // EagerSingleton EagerSingleton eagerSingleton = EagerSingleton.GetInstance(); // LazySingleton LazySingleton lazySingleton = LazySingleton.GetInstance(); Console.ReadLine(); }