using System;

using System.Collections.Generic;

public class Program

{

    public static void Main()

    {

        Customr customer1 = new Customr()  // instance 1

        {

                ID = 101,

                Name = "Dhilen",

                Salary = 10000

        };

        Customr customer2 = new Customr()  //instance 2

        {

                ID = 102,

                Name = "Aman",

                Salary = 20000

        };

        Customr customer3 = new Customr()  //instance 3

        {

                ID = 103,

                Name = "Zeel",

                Salary = 40000

        };

        Customr customer4 = new Customr() {  //instance 4

            ID = 104,

            Name = "Dhruv",

            Salary = 50000

        };

        List<Customr> customers = new List<Customr>(2); //grow automatically

        customers.Add(customer1);

        customers.Add(customer2);

        customers.Add(customer3);

        customers.Insert(0,customer4);

        foreach(Customr c in customers) {

            Console.WriteLine(c.ID);    

        }

        foreach(Customr c in customers) {

                Console.WriteLine("ID is "+ c.ID +" name is "+ c.Name + " salary is " + c.Salary);

        }

    }

}

​

public class Customr

{

    public int ID {get; set;}

    public string Name {get; set;}

    public int Salary {get; set;}

}

​