using System;

using System.Collections.Generic;

using System.Linq;

public class Program

{

    public static void Main()

    {

        Console.WriteLine(("Hello World").PadRight(10) + "a");

        string id = "a";

        id = id.PadLeft(10);

        Console.WriteLine(id);

        Claim claim = new Claim(){ID = 1};

        //claim.Details.IDs.Add(1);

        //claim.Details.IDs.Add(10);

        Console.WriteLine(claim.ServiceDate);

        if(claim.ServiceDate < DateTime.MaxValue)

            Console.WriteLine("Service Date is null or less than max");

​

        Console.WriteLine(claim.Details.IDs.FirstOrDefault());

        Console.WriteLine(claim.Details);

                /*      This throw null 

​

        foreach(var s in claim.Details.IDs)

        {

            Console.WriteLine(s);

        }

        */

        Console.WriteLine(DateTime.MinValue);

    }

}

​

public class Claim

{

    public Claim()

    {

        Details = new Details();

    }

    public int ID {get;set;}

    public Details Details{get;set;}

    public DateTime ServiceDate {get;set;}

}

​

public class Details

{

   public Details()

   {

       IDs = new List<int>();

   }

   public List<string> Status {get;set;}    

   public List<int> IDs {get;set;}

}

​

​