int IComparer <object> .Compare(object x, object y)
{
if (x is Duck && y is Duck)
{
Duck duckOne = (Duck)x;
Duck duckTwo = (Duck)y;
Console.WriteLine($"{duckOne.Name} is being compared to {duckTwo.Name}");
if (String.CompareOrdinal(duckOne.Name, duckTwo.Name) == 0)
{
Console.WriteLine($"{duckOne.Name} and {duckTwo.Name} are the same so we are ordering them now by weight");
if (duckOne.WeightInGrams > duckTwo.WeightInGrams)
{
Console.WriteLine($"{duckOne.Name} is above in weight by {duckOne.WeightInGrams} to {duckTwo.Name}'s {duckTwo.WeightInGrams}");
return(1);
}
else
{
Console.WriteLine($"{duckTwo.Name} is above in weight by {duckTwo.WeightInGrams} to {duckOne.Name}'s {duckOne.WeightInGrams}");
return(-1);
}
}
else
{
if (String.Compare(duckOne.Name, duckTwo.Name, true) == 1)
{
Console.WriteLine($"{duckOne.Name} is higher in the alphabet compared to {duckTwo.Name}");
}
if (String.Compare(duckOne.Name, duckTwo.Name, true) == -1)
{
Console.WriteLine($"{duckTwo.Name} is higher in the alphabet compared to {duckOne.Name}");
}
return(String.Compare(duckOne.Name, duckTwo.Name, true));
}
}
else
{
throw new Exception("One or more objects are not object Duck");
}
}
static void Main(string[] args)
{
var donald = new Duck("Sir Donald", "Mallard", 100, 17);
var daffy = new Duck("Sir Daffy", "Mallard", 99, 14);
var daisy = new Duck("Miss Daisy", "Marbled Duck", 38, 11);
var anotherDaisy = new Duck("Sir Daisy", "Mallard", 99, 14);
Console.WriteLine($"{donald.Name} has the hash code of {donald.GetHashCode()}");
Console.WriteLine($"{daffy.Name} has the hash code of {daffy.GetHashCode()}");
Console.WriteLine($"{daisy.Name} has the hash code of {daisy.GetHashCode()}");
Console.ReadLine();
Dictionary <Duck, int> ducks = new Dictionary <Duck, int>
{
{ donald, donald.GetHashCode() },
{ daffy, daffy.GetHashCode() },
{ daisy, daisy.GetHashCode() }
};
List <Duck> duckies = new List <Duck>
{
donald,
daffy,
daisy
};
Console.WriteLine("The ducks have now been added to a list and sorted in name");
foreach (var duck in duckies)
{
Console.WriteLine(duck.Name);
}
duckies.Sort(new SortDuckHelper());
ToString(duckies);
Console.ReadLine();
}
