using System;

using System.Linq;

using System.Collections.Generic;

using System.Collections;

using System.Threading;

using System.Threading.Tasks;

using System.Net;

using System.Net.Http;

using System.Diagnostics;

using Newtonsoft.Json;

using Newtonsoft.Json.Linq;

​

public class Program

{

    public static void Main()

    {

        var xs = new List<string> { "aaa", "bbb", "cc", "d" }.ToLookup(s => s.Length, s => s);

        var a = new List<string> { "aaa", "bbb", "cc", "d" };

        var b = new List<string> { "aaa", "bBb", "cc", "eee"};

        var json = "{ \"a\": [ { \"q\": 1 } , { \"q\": 2 }, { \"q\": 3 } ]  }";

        var j = JObject.Parse(json);

        //j.Value<JArray>("a").Dump();

        j.Value<JArray>("a").Dump();

        j.Value<string>("b").Dump();

        j["b"].Dump();

        j["b"].Value<string>().Dump();

    }

​

}

​

​