using System;

using System.Text.Json;

using System.Text.Json.Serialization;

using System.Collections.Generic;

​

public class Program

{

    private static string jsonLiteral = "{ \"MyArray\": [\"Ford\", \"BMW\", \"Fiat\"] }";

    public static void Main()

    {

        try{

            var myDeserializedClass = JsonSerializer.Deserialize<Root>(jsonLiteral);

            Console.WriteLine(myDeserializedClass.MyArray.Count);

        }catch{

            Console.WriteLine("Well, that didn't work. Let's try something else.");

        }

        try{

            var myDeserializedClass = JsonSerializer.Deserialize<string[]>(jsonLiteral);

            Console.WriteLine(myDeserializedClass.Length);

        }catch{

            Console.WriteLine("Well, that didn't work. Let's try something else.");

        }

    }

    public class Root

    {

        [JsonPropertyName("MyArray")]

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

    }

}