C# -Yield return in C#

 using System;

using System.Collections.Generic;

class Program

{

    private static IEnumerable<string> _plants = new[] { "Apple", "Pear", "Sunflower", "Carrot" };

    static void Main(string[] args)

    {

        Console.WriteLine("Classic:");

        foreach(var fruit in GetFruits())

        {

            Console.WriteLine(fruit);

        }

        Console.WriteLine("\r\nYield return:");

        foreach (var fruit in GetFruitsWithYield())

        {

            Console.WriteLine(fruit);

        }

    }

    private static IEnumerable<string> GetFruits()

    {

        var result = new List<string>();

        foreach(var plant in _plants)

        {

            if(plant == "Apple" || plant == "Pear")

            {

                result.Add(plant);

            }

        }

        return result;

    }

    private static IEnumerable<string> GetFruitsWithYield()

    {

        foreach (var plant in _plants)

        {

            if (plant == "Apple" || plant == "Pear")

            {

                yield return plant;

            }

        }

    }

}