Lesson 3 - objects and classes

Program.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace HelloPerson
{
    class Program
    {
        static void Main(string[] args)
        {
            // set up a new object representing Gary, using the class 'Person'
            Person gary = new Person();
            gary.DateOfBirth = new DateTime(1980, 05, 30);
            gary.FirstName = "Gary";
            gary.LastName = "Raper";
            gary.Address1 = "Testing1";
            gary.Address2 = "Testing2";
            gary.City = "York";

            // set up a second object representing Lisa, re-using the class 'Person'
            Person lisa = new Person();
            lisa.FirstName = "Lisa";
            lisa.LastName = "Wilson";
            lisa.Address1 = "1 Artemis House";
            lisa.City = "York";

            // print out shipping labels for both lisa and gary
            gary.PrintShippingLabel();
            lisa.PrintShippingLabel();

            // here's how you would create, then close, an incident;
            Incident oilRigHasExploded = new Incident();
            oilRigHasExploded.Name = "Boom!";
            oilRigHasExploded.Close("Managed to put out the fire");

            // wait for the user to hit 'Enter'
            Console.ReadLine();

        }
    }

    class Incident
    {
        public string Name;
        private DateTime CloseDate;
        private string State;

        public void Close(string closureReason)
        {
            this.CloseDate = DateTime.Now;
            this.State = "Closed";            
        }
    }

    class Person
    {
        public string FirstName;
        public string LastName;

        public string Address1;
        public string Address2;
        public string City;

        public DateTime DateOfBirth;

        public int GetAge()
        {
            // rough age calculation
            return DateTime.Now.Year - this.DateOfBirth.Year;
        }

        public void PrintShippingLabel()
        {
            // Print out something like;
            // 
            //      Parcel for:   Gary Raper
            //      Deliver To:   1 Artemis House
            //                    Eboracum Way
            //                    York

            string contact = "Parcel for:   " + this.FirstName + " " + this.LastName;
            string address1 = "Deliver To:   " + this.Address1;
            string address2 = "              " + this.Address2;
            string city = "              " + this.City;

            Console.WriteLine(contact);
            Console.WriteLine(address1);
            Console.WriteLine(address2);
            Console.WriteLine(city);
        }

    }
}