using System; public class Person { // Constructor that takes no arguments: public Person() { Name = "unknown"; } // Constructor that takes one argument: public Person(string name) { Name = name; } // Auto-implemented readonly property: public string Name { get; } // Method that overrides the base class (System.Object) implementation. public override string ToString() { return Name; } } class TestPerson { static void Main() { // Call the constructor that has no parameters. var person1 = new Person(); Console.WriteLine(person1.Name); // Call the constructor that has one parameter. var person2 = new Person("Sarah Jones"); Console.WriteLine(person2.Name); // Get the string representation of the person2 instance. Console.WriteLine(person2); Console.WriteLine("Press any key to exit."); Console.ReadKey(); } } // Output: // unknown // Sarah Jones // Sarah Jones