#nullable enable

​

using System;

using System.Text.Json;

// TODO: Add a namespace in which [JsonIgnore] and [JsonInclude] attributes are declared.

​

​

public class WeatherForecast

{

    // TODO Use the [JsonPropertyName] attribute to specify 'measurement_date' as the attribute name.

    public DateTimeOffset Date { get; set; }

    // TODO Use the [JsonPropertyName] attribute to specify 'measured_temperature' as the attribute name.

    public int TemperatureCelsius { get; set; }

    // TODO Use the [JsonPropertyName] attribute to specify 'comments' as the attribute name.

    public string? Summary { get; set; }

}

​

public class Program

{

    public static void Main()

    {

        var weatherForecast = new WeatherForecast

        {

            Date = DateTime.Parse("2019-08-01"),

            TemperatureCelsius = 25,

            Summary = "Hot"

        };

​

        string jsonString = JsonSerializer.Serialize(weatherForecast);

​

        Console.WriteLine(jsonString);

    }

}

// Expected output:

// {"measurement_date":"2019-08-01T00:00:00+00:00","measured_temperature":25,"comments":"Hot"}