using System;

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public class Person {

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    //classes have fields

    //methods &

    //properties

    public string FName {get; set;}

    public string LName {get; set;}

    public DateTime Birthday {get; set;}

    public int HeightInches {get; set;}

    public string GetFullName() {

        return $"{FName} {LName}";

    }

    // use a verb, 'Get' when creating methods

    public int GetAge() {

        return DateTime.Now.Year - Birthday.Year;

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    }

​

}

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Hello World");

        //create a new person using the Person class

        Person human = new Person();

        Person human2 = new Person();

        //set the properties

        human.FName = "Doug";

        human.LName = "Fresh";

        human.Birthday = new DateTime(1982, 1, 30);

        human.HeightInches = 72;

        human2.FName = "CeCe";

        human2.LName = "Frazier";

        human2.Birthday = new DateTime(1900, 12, 30);

        human2.HeightInches = 62;

        //Read the properties from the human instance of the 'Person' class

        //USE () for the method 'GetFullName' b/c the method created ends w/ ()

        Console.WriteLine($"{human.GetFullName()} is {human.GetAge()} years old. {human.HeightInches}");

        Console.WriteLine($"{human2.GetFullName()} is {human2.GetAge()} years old. {human2.HeightInches}");

    }

}

​