static void Main() { //create 10 workers and 10 students List <Worker> exampleWorkers = Worker.CreateList(10); List <Student> exampleStudents = Student.CreateList(10); //sort them by grade and money earnt per hour Student.SortGrade(exampleStudents); Worker.SortMoneyPerHour(exampleWorkers); foreach (Student student in exampleStudents) { Console.WriteLine(student.ToString()); } Console.WriteLine(); foreach (Worker worker in exampleWorkers) { Console.WriteLine(worker.ToString()); } }