private static void instance4() { SingletonClass from4 = SingletonClass.GetInstance; from4.PrintName("d"); }
private static void instance2() { SingletonClass from2 = SingletonClass.GetInstance; from2.PrintName("b"); }
private static void instance3() { SingletonClass from3 = SingletonClass.GetInstance; from3.PrintName("c"); }
private static void instance1() { SingletonClass from1 = SingletonClass.GetInstance; from1.PrintName("a"); }