using System;

using System.Linq;

using System.Collections.Generic;

​

public class Program

{

    public static void Main()

    {

        // Student collection

        IList<Student> studentList = new List<Student>() { 

                new Student() { StudentID = 1, StudentName = "John", Age = 13} ,

                new Student() { StudentID = 2, StudentName = "Moin",  Age = 21 } ,

                new Student() { StudentID = 3, StudentName = "Bill",  Age = 18 } ,

                new Student() { StudentID = 4, StudentName = "RamRo" , Age = 20} ,

                new Student() { StudentID = 4, StudentName = "Rose" , Age = 20} ,

                new Student() { StudentID = 4, StudentName = "RamenRoRam" , Age = 20} ,

                new Student() { StudentID = 5, StudentName = "Ron" , Age = 15 } 

            };

        // LINQ Query Syntax to find out teenager students

        Program program = new Program();

        Student firstStudent = studentList.Where(x => x.StudentName == "Moicn").FirstOrDefault();

        Console.WriteLine(firstStudent == null);

        Console.WriteLine(firstStudent.StudentID);

        Console.WriteLine(firstStudent.StudentName);

        Console.WriteLine(firstStudent.Age);

    }

}

​

public class Student{

​

    public int StudentID { get; set; }

    public string StudentName { get; set; }

    public float Age { get; set; }

}