using Newtonsoft.Json;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace JsonConvertDemo
{
    class Program
    {
        static void Main(string[] args)
        {
            // {"Id":1,"Name":"홍길동","Title":"진달래꽃 사진"}
            Photo p = new Photo { Id = 1, Name = "홍길동", Title = "진달래꽃 사진" };
            string json = JsonConvert.SerializeObject(p);
            Console.WriteLine(json);
            Photo p2 = JsonConvert.DeserializeObject<Photo>(json);

            // [{"Id":1,"Name":"홍길동","Title":"진달래꽃 사진"},{"Id":2,"Name":"백두산","Title":"개나리꽃 사진"},{"Id":3,"Name":"한라산","Title":"유채꽃 사진"}]
            List<Photo> photos = new List<Photo> {
                new Photo { Id = 1, Name = "홍길동", Title = "진달래꽃 사진" },
                new Photo { Id = 2, Name = "백두산", Title = "개나리꽃 사진" },
                new Photo { Id = 3, Name = "한라산", Title = "유채꽃 사진" }
            };
            string lstJson = JsonConvert.SerializeObject(photos);
            Console.WriteLine(lstJson);
            List<Photo> photos2 = JsonConvert.DeserializeObject<List<Photo>>(lstJson);
        }
    }

    public class Photo
    {
        public int Id { get; set; }
        public string Name { get; set; }
        public string Title { get; set; }
    }
}