public int Compare(object x, object y)
{
CoffeI coffe1 = x as CoffeI;
CoffeI coffe2 = y as CoffeI;
double rating1 = coffe1.AverageRating;
double rating2 = coffe2.AverageRating;
return(rating1.CompareTo(rating2));
}
public static void Main()
{
// error en 4-20 coffe1.Rating debe ser coffe1.AverageRating;
CoffeI coffee1 = new CoffeI();
coffee1.AverageRating = 4.5;
//IBeverage coffe2 = new CoffeI();
CoffeI coffe2 = new CoffeI();
coffe2.AverageRating = 8.1;
IBeverage beverage = coffee1;
CoffeI coffe3 = beverage as CoffeI;
// Esto siguiente es equivalente
//coffe3 = (CoffeI)beverage;
coffe3.AverageRating = 7.1;
CoffeI coffe4 = new CoffeI();
coffe4.AverageRating = 3.89;
ArrayList coffelist = new ArrayList();
coffelist.Add(coffee1);
coffelist.Add(coffe2);
coffelist.Add(coffe3);
coffelist.Add(coffe4);
foreach (CoffeI cof in coffelist)
{
Console.WriteLine(cof.AverageRating);
}
Console.WriteLine("=== Afert sort: ===");
coffelist.Sort(new CoffeI());
foreach (CoffeI cof in coffelist)
{
Console.WriteLine(cof.AverageRating);
}
Console.ReadLine();
}
public int CompareTo(object obj)
{
CoffeI coffe2 = obj as CoffeI;
return(string.Compare(this.Variety, coffe2.Variety));
}