static void Main(string[] args)
{
var boider = ChocolateBoiler.Instance();
boider.Fill();
boider.Boil();
boider = ChocolateBoiler.Instance();
boider.Empty();
}
public static ChocolateBoiler Instance()
{
if (_instance == null)
{
lock (_lock)
{
Console.WriteLine("Создаем экземпляр");
_instance = new ChocolateBoiler();
}
}
return(_instance);
}