static void Main(string[] args) { Person p = new Person("Tobias", "Grundtvig", 42); Console.WriteLine("Reference: " + p); Console.WriteLine("First name: " + p.getFirstName()); Console.WriteLine("Last name: " + p.getLastName()); Console.WriteLine("Age: " + p.getAge()); p.Birthday(); Console.WriteLine("Name: " + p.getFullName()); Console.WriteLine("Age: " + p.getAge()); }