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); } }