public struct Forecast
{
	public int Temperature { get; set; }
	public int Pressure { get; set; }
}
 
class Program
{
	public static void ChangeTheString(string weather) { weather = "sunny"; }
	public static void ChangeTheArray(string[] rainyDays) { rainyDays = new[]{"Sunday", "Tuesday"}; }
	public static void ChangeTheStructure(Forecast forecast) { forecast.Temperature = 35; }
	static void Main(string[] args)
	{
		string weather = "rainy";
		ChangeTheString(weather);
		System.Console.WriteLine("The weather is " + weather);
 
		string[] rainyDays = new[] {"Monday", "Friday" };
		ChangeTheArray(rainyDays);
		System.Console.WriteLine("The rainy days were on " + rainyDays[0] + " and "+rainyDays[1]);
 
		Forecast forecast = new Forecast {Pressure = 700, Temperature = 20 };
		ChangeTheStructure(forecast);
		System.Console.WriteLine("The temperature is " +forecast.Temperature + "C");
		System.Console.ReadKey();
    }
}

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