using System;

using System.Linq;

using System.Collections.Generic;

​

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Hello World");

        OrderByEx1();

    }

    class Pet

{

    public string Name { get; set; }

    public int Age { get; set; }

}

​

public static void OrderByEx1()

{

    Pet[] pets = { new Pet { Name="Barley", Age=8 },

                   new Pet { Name="Boots", Age=4 },

                   new Pet { Name="Whiskers", Age=1 } };

​

    IEnumerable<Pet> query = pets.OrderBy(pet => pet.Age);

​

    foreach (Pet pet in query)

    {

        Console.WriteLine("{0} - {1}", pet.Name, pet.Age);

    }

}

}