{ //encapsula um algoritimo dentro de uma classe
static void Main(string[] args)
{
SortedList students = new SortedList();
students.Add("Aluno1");
students.Add("Aluno3");
students.Add("Aluno5");
students.Add("Aluno4");
students.Add("Aluno2");
students.setSortStrategy(new QuickSort());
students.Sort();
students.setSortStrategy(new ShellSort());
students.Sort();
students.setSortStrategy(new MergeSort());
students.Sort();
}