using System;

using System.Collections.Generic;

using System.Linq;

​

public class Program

{

    public static void Main()

    {

        List<Student> students = new List<Student>

        {

            new Student { Name = "Alice", Age = 20 },

            new Student { Name = "Bob", Age = 22 },

            new Student { Name = "Charlie", Age = 18 },

            new Student { Name = "David", Age = 22 }

        };

​

        var items = new List<int>() {};

        var selectedItems = items.Where(item => item > 10);

        Console.WriteLine("selectedItems.Count: " + selectedItems.Count);

    }

}

​

public class Student

{

    public string Name { get; set; }

    public int Age { get; set; }

}

​