using System;

​

public struct Forecast

{

    public int Temperature {get; set;}

    public int Pressure{get; set;}

}

​

public class Program

{

    public static void ChangeTheString(string weather) { weather = "sunny"; }

    public static void ChangeTheArray(string[] rainyDays) { rainyDays[1] = "Sunday"; }

    public static void ChangeTheStructure(Forecast forecast) { forecast.Temperature = 35; }

    public static void Main(string[] args)

    {

        string weather = "rainy";

        ChangeTheString(weather);

        Console.WriteLine("The Weather is " + weather);

        string[] rainyDays = new[] {"Monday", "Friday"};

        ChangeTheArray(rainyDays);

        Console.WriteLine("The rainy days were on  " + rainyDays[0] + " and " + rainyDays[1]);

        Forecast forecast = new Forecast { Pressure = 700, Temperature = 20};

        ChangeTheStructure(forecast);

        Console.WriteLine("The temperature is  " + forecast.Temperature + " C");

    }

}