using System;

using System.Collections.Generic;

using System.Linq;

​

namespace ConsoleApplication1

{

    internal class Student

    {

        public int ID { get; set; }

        public string Name { get; set; }

        public bool IsFeesSubmitted { get; set; }

    }

​

    public class Program

    {

        public static void Main(string[] args)

        {

            List<Student> students = new List<Student>();

​

            students.Add(new Student { ID = 1, Name = "Asutosh", IsFeesSubmitted = true });

            students.Add(new Student { ID = 1, Name = "Kapil", IsFeesSubmitted = true });

            students.Add(new Student { ID = 1, Name = "Sumit", IsFeesSubmitted = true });

            students.Add(new Student { ID = 1, Name = "Rajat", IsFeesSubmitted = false });

            students.Add(new Student { ID = 1, Name = "Preeti", IsFeesSubmitted = true });

            students.Add(new Student { ID = 1, Name = "Kanupriya", IsFeesSubmitted = true });

​

            //check whether all students submitted their fees or not

            bool areAllStudentsSubmitTheirFees = students.All(student => student.IsFeesSubmitted == true);

​

            Console.WriteLine(areAllStudentsSubmitTheirFees);

        }

    }

}