OO Programmer test (C#)

programmerTest.cs

using System;

namespace Programmer {

    public class Skillz {

        public static void Main() {
            Console.WriteLine("Round 1. CODE!");
            Console.WriteLine("--------------\n");

            // Question 1:  What is the output?
            Person aPerson = new Person("Steve Jobs");  // Hello Steve Jobs.


            // Question 2:  What is the output?
            aPerson.stayUpLate();  // Steve Jobs is not tired and will stay up late.

            // Question 3:  What is the output?
            aPerson.writeCode();  // Does not compile.  No method writeCode exists for Person

            // Question 4: What is the output?
            Doctor aDoctor = new Doctor("Gregory House");  // Hello Gregory House.  Hello Dr. Gregory House.

            // Question 5: What is the output?
            aDoctor.testCode();  // Testing your genetic code yieled nothing

            // Question 6: What is the output?
            aDoctor.stayUpLate();  // Gregory House is not tired and will stay up late.;

            // Question 7: What is the output?
            Programmer programmerOne = new Programmer("Hacker Broseph");  // Hello Hacker Broseph.

            // Question 8: What is the output?
            Console.WriteLine(programmerOne.Name); // Hacker Broseph

            // Question 9: What is the output?
            Console.WriteLine((Person)programmerOne.Name); // Compile error

            // Question 10: What is the output?
            programmerOne.stayUpLate(); // Hacker Broseph was bored and decided to stay up late and code through the night.

            // Question 11: What is the output?
            Person anotherPerson = (Person)programmerOne;
            anotherPerson.stayUpLate(); // Hacker Broseph is not tired and will stay up late.

            // Question 12: What is the output?
            Console.WriteLine(anotherPerson.Name);  // Hacker Broseph

            // Question 13: What is the output?
            Doctor anotherDoctor = (Doctor)programmerOne;  // Error.

            // Question 14: What is the output?
            anotherPerson.testCode(); // My code is tested in production

            // Question 15: What is the output?
            programmerOne.testCode(); // My code is tested in production
           
            // Question 16: What is the output?
            aPerson.testCode(); // I am using this new software I bought!

            // Question 17: What is the output?
            IProgrammer programmer = new Programmer("Leeterman Skillzor"); // Hello Leeterman Skillzor

            // Question 18: What is the output?
            programmer.Name;  // Error.  Name is not a property of the interface type.

            // Question 19: What is the output?
            Person thirdPerson = (Person)programmer;
            thirdPerson.testCode(); // My code is tested in production

            // Question 20: What is the output?
            programmer.writeCode(); // Code code code code.

        }
    }


    // Begin the fun...


    interface IProgrammer {
        void writeCode();
        void testCode();
        void stayUpLate();
    }


    public class Person {

        private string _name;

        public string Name {
            get { return _name; }
        }

        public Person(string name) {
            this._name = name;
            Console.WriteLine(string.Format("Hello {0}.", this._name));
        }

        public void stayUpLate() {
            Console.WriteLine(string.Format("{0} is not tired and will stay up late.", this._name));
        }

        public virtual void testCode() {
            Console.WriteLine("I am using this new software I bought!");
        }
    }


    public class Doctor : Person {
        private readonly string suffex = "Dr.";
        private string _name;

        new public string Name {
            get { return _name; }
        }

        public Doctor(string name) : base(name) {
            this._name = string.Format("{0} {1}", this.suffex, name);
            Console.WriteLine(string.Format("Hello {0}.", this._name));
        }

        new public void testCode() {
            Console.WriteLine("Testing your genetic code yieled nothing.");
        }

    }

    public class Programmer : Person, IProgrammer {
        private string _name;

        new public string Name {
            get { return _name; }
        }

        public Programmer(string name) : base(name) {
            this._name = name;
        }

        public void writeCode() {
            Console.WriteLine("Code code code code.");
        }

        public override void testCode() {
            Console.WriteLine("My code is tested in production.");
        }

        new public void stayUpLate() {
            Console.WriteLine(string.Format("{0} was bored and decided to stay up late and code through the night.", this._name));
        }
    }

}

I am trying to think of a way to help our development team get good developers with strong OO fundamentals. This is just something I whipped up.