Question

This is basically my first attempt to understand the classes in C#. I’ve went through several tutorials on the internet, but the thing I’m missing the most and what I haven’t found anywhere yet, is a simple good example.

I have some idea how my basic program should look like and I would appreciate your help:

using System;

namespace Introduction_to_classes
{
    class Person
    {
        int Age;
        string Name;

        int DateOfBirth()
        {
            return 2013 - Age;
        }
    }

    class Program
    {
        public static void Main()
        {
            Person Mother = new Person(35, Alice);
            Person Son = new Person(12, Johny);

            Mother.Name = "Lucy";  // Just changing the value afterwards

            if(Mother.Age > Son.Age)
            {
                int year = Mother.DateOfBirth();
                Console.WriteLine("Mom was born in {0}.", year);
            }

            Console.ReadLine();
        }
    }
}

It’s just an idea, it definitely doesn’t work. But more than anything else it would help me if you can correct it to the working example…

Answer 1

class Person
{
    public int Age { get; set; }
    public string Name { get; set; }

    public Person(int age, string name)
    {
        Age = age;
        Name = name;
    }

    public int DateOfBirth()
    {
        return 2013 - Age;
    }
}

        class Program
        {
            public static void Main()
            {
                Person Mother = new Person(35, "Alice");
                Person Son = new Person(12, "Johny");

                Mother.Name = "Lucy";  // Just changing the value afterwards

                if (Mother.Age > Son.Age)
                {
                    int year = Mother.DateOfBirth();
                    Console.WriteLine("Mom was born in {0}.", year);
                }
            }
        }

Some useful links: properties, constructor