using System;

using Newtonsoft.Json;

namespace HelloWorld

{

public class Box

{

    public double x { get; set; }

    public double y { get; set; }

    public int type { get; set; }

    public int direction { get; set; }

}

   public class Hello 

    {

       public class Root{

    public Box[] boxen;

    }

        public static void Main() 

        {

            var jsonString = "{\"boxen\":[{\"x\":1.5,\"y\":2.0,\"type\":2,\"direction\":2},{\"x\":3.5,\"y\":2.0,\"type\":1,\"direction\":1}]}";

            Root con =  JsonConvert.DeserializeObject<Root>(jsonString);

            Console.WriteLine(con.boxen[0].y);

            Console.WriteLine(JsonConvert.SerializeObject(con));

        }

    }

}