static void Main(string[] args)
{
Person[] personList = new Person[]
{
new Person {
firstName = "Declase", lastName = "Deen", age = 88
},
new Person {
firstName = "Alex", lastName = "Huem", age = 34
},
new Person {
firstName = "Carty", lastName = "Cooler", age = 57
},
new Person {
firstName = "Bary", lastName = "Bart", age = 22
}
};
IComparer <Person> firstNameComparer = new firstNameComparer();
IComparer <Person> lastNameComparer = new lastNameComparer();
IComparer <Person> ageComparer = new ageComparer();
Array.Sort(personList, firstNameComparer);
Console.WriteLine("\nSorted by firstname\n");
foreach (Person p in personList)
{
Console.WriteLine(p.firstName + " " + p.lastName);
}
Array.Sort(personList, lastNameComparer);
Console.WriteLine("\nSorted by lastname\n");
foreach (Person p in personList)
{
Console.WriteLine(p.firstName + " " + p.lastName);
}
Array.Sort(personList, ageComparer);
Console.WriteLine("\nSorted by Age\n");
foreach (Person p in personList)
{
Console.WriteLine(p.firstName + " " + p.lastName + " " + p.age);
}
Console.ReadKey();
}
public static void execute()
{
//IEqualityComparer
var actors = Actor.CreateSome();
actors.Add(new Actor()
{
FirstName = "George", LastName = "Clooney"
});
var distinct = actors.Distinct(new ActorComparer());
foreach (var actr in distinct)
{
Console.WriteLine(actr);
}
//Icomparer
IComparer <Actor> firstNameComparer = new firstNameComparer();
IComparer <Actor> lastNameComparer = new lastNameComparer();
var actorArray = actors.ToArray();
Array.Sort(actorArray, firstNameComparer);
Console.WriteLine("\n\nSorted by firstname");
foreach (var actr in actorArray)
{
Console.WriteLine(actr);
}
Array.Sort(actorArray, lastNameComparer);
Console.WriteLine("\nSorted by lastname");
foreach (var actr in actorArray)
{
Console.WriteLine(actr);
}
}
