class Person { private string name = "N/A"; private int age = 0; // Declare a Name property of type string: public string Name { get { return name; } set { name = value; } } // Declare an Age property of type int: public int Age { get { return age; } set { age = value; } } public override string ToString() { return "Name = " + Name + ", Age = " + Age; } } class TestPerson { static void Main() { // Create a new Person object: Person person = new Person(); // Print out the name and the age associated with the person: Console.WriteLine("Person details - {0}", person); // Set some values on the person object: person.Name = "Joe"; person.Age = 99; Console.WriteLine("Person details - {0}", person); // Increment the Age property: person.Age += 1; Console.WriteLine("Person details - {0}", person); // Keep the console window open in debug mode. Console.WriteLine("Press any key to exit."); Console.ReadKey(); } } /* Output: Person details - Name = N/A, Age = 0 Person details - Name = Joe, Age = 99 Person details - Name = Joe, Age = 100 */