using System;

using System.Collections.Generic;

public class Program

{

    public class elem 

    {

        public string name;

        public elem(string name) 

        {

            this.name = name;

        }   

    }

    public static void Main()

    {

        List<elem> fruitNames = new List<elem>()

        {

            new elem("mango"),

            new elem("pineapple"),

            new elem("kiwi"),

            new elem("apple"),

            new elem("tomato")

        };

        // Sort the fruit in alphabetical order.

        fruitNames.Sort( (f1,f2)=>f1.name.CompareTo(f2.name) );

​

        // Print the sorted fruit.

        foreach (elem fruit in fruitNames)

        {

            Console.WriteLine(fruit.name);

        }

    }

}