[Fork] | C# Online Compiler

[Fork] by Mathias Neyer

using System;
using System.Collections.Generic;
using Newtonsoft.Json;
using System.Linq;

public class Program
{
    public static void Main()
    {
        Console.WriteLine("Hello World");
        string json = "{    \"data\": [        {            \"country\": \"China\",            \"color\" : \"Red\",            \"pet\" : \"Cat\",            \"name\" : \"Mark\",            \"height_unit_name\" : \"cm\"        },        {            \"country\": \"China\",            \"color\" : \"black\",            \"pet\" : \"dog\",            \"name\" : \"Jane\",            \"height_unit_name\" : \"cm\"        }    ]}";
        RawData rawData = JsonConvert.DeserializeObject<RawData>(json);

        List<Item> items = new List<Item>();
        var groupedData = rawData.data.GroupBy(x => new { country = x.country, color = x.color });

        foreach (var item in groupedData)
        {
            List<Data> data = new List<Data>();

            foreach (var dataItem in item)
            {
                data.Add(new Data { pet = dataItem.pet, name = dataItem.name, height_unit_name = dataItem.height_unit_name });
            }
            items.Add(new Item { country = item.Key.country, color = item.Key.color, data = data });
        }

        Console.WriteLine(JsonConvert.SerializeObject(items));
    }

    public class RawData
    {
        public List<RawItem> data { get; set; }
    }
    public class RawItem
    {
        public string country { get; set; }
        public string color { get; set; }
        public string pet { get; set; }
        public string name { get; set; }
        public string height_unit_name { get; set; }
    }

    public class Item
    {
        public string country { get; set; }
        public string color { get; set; }
        public List<Data> data { get; set; }
    }

    public class Data
    {
        public string pet { get; set; }
        public string name { get; set; }
        public string height_unit_name { get; set; }
    }
}

​x
 
using System;
using System.Collections.Generic;
using Newtonsoft.Json;
using System.Linq;
​
public class Program
{
    public static void Main()
    {
        Console.WriteLine("Hello World");
        string json = "{    \"data\": [        {            \"country\": \"China\",            \"color\" : \"Red\",            \"pet\" : \"Cat\",            \"name\" : \"Mark\",            \"height_unit_name\" : \"cm\"        },        {            \"country\": \"China\",            \"color\" : \"black\",            \"pet\" : \"dog\",            \"name\" : \"Jane\",            \"height_unit_name\" : \"cm\"        }    ]}";
        RawData rawData = JsonConvert.DeserializeObject<RawData>(json);
​
        List<Item> items = new List<Item>();
        var groupedData = rawData.data.GroupBy(x => new { country = x.country, color = x.color });
​
        foreach (var item in groupedData)
        {
            List<Data> data = new List<Data>();
​
            foreach (var dataItem in item)
            {
                data.Add(new Data { pet = dataItem.pet, name = dataItem.name, height_unit_name = dataItem.height_unit_name });
            }
            items.Add(new Item { country = item.Key.country, color = item.Key.color, data = data });
        }
​
        Console.WriteLine(JsonConvert.SerializeObject(items));
    }
​
    public class RawData
    {
        public List<RawItem> data { get; set; }
    }
    public class RawItem
    {
        public string country { get; set; }
        public string color { get; set; }
        public string pet { get; set; }
        public string name { get; set; }
        public string height_unit_name { get; set; }
    }
​
    public class Item
    {
        public string country { get; set; }
        public string color { get; set; }
        public List<Data> data { get; set; }
    }
​
    public class Data
    {
        public string pet { get; set; }
        public string name { get; set; }
        public string height_unit_name { get; set; }
    }
}

Compilation error (line 1, col 13): Syntax error, ',' expected
Compilation error (line 1, col 40): ; expected
Compilation error (line 1, col 40): Type or namespace definition, or end-of-file expected
Compilation error (line 34, col 19): ; expected
Compilation error (line 41, col 19): Identifier expected
Compilation error (line 41, col 19): ; expected
Compilation error (line 20, col 22): The type or namespace name 'Action<>' could not be found (are you missing a using directive or an assembly reference?)
Compilation error (line 23, col 22): The type or namespace name 'Action<>' could not be found (are you missing a using directive or an assembly reference?)
Compilation error (line 16, col 17): The type or namespace name 'reist<>' could not be found (are you missing a using directive or an assembly reference?)
Compilation error (line 17, col 17): The type or namespace name 'reist<>' could not be found (are you missing a using directive or an assembly reference?)
Compilation error (line 74, col 20): The type or namespace name 'DateTime' could not be found (are you missing a using directive or an assembly reference?)
Compilation error (line 1, col 2): The type or namespace name 'Review' could not be found (are you missing a using directive or an assembly reference?)
Compilation error (line 1, col 9): The variable 'the' is declared but never used
Compilation error (line 34, col 13): The type or namespace name 'v' could not be found (are you missing a using directive or an assembly reference?)
Compilation error (line 34, col 19): The name 'item' does not exist in the current context
Compilation error (line 34, col 26): The name 'ms' does not exist in the current context
Compilation error (line 35, col 7): The name 'item' does not exist in the current context
Compilation error (line 36, col 16): The type or namespace name 'Exception' could not be found (are you missing a using directive or an assembly reference?)
Compilation error (line 40, col 13): The name 'item' does not exist in the current context
Compilation error (line 43, col 17): The name 'item' does not exist in the current context
Compilation error (line 34, col 15): The variable 'var' is declared but never used
Compilation error (line 59, col 25): The name 'DateTime' does not exist in the current context

Last Run:	5:15:28 am
Compile:	0.01s
Execute:	0s
Memory:	0b
CPU:	0s

View IL Code