public static void Main()
{
//list with students
var students = new Student[]
{
new Student("John", "Doe"),
new Student("Jane", "Doe"),
new Student("Alana", "Smith"),
new Student("Brian", "Jones"),
new Student("Zoe", "Ferguson"),
new Student("Bob", "Bobson"),
new Student("Kate", "Morris")
};
Console.WriteLine("List of students: ");
Console.WriteLine(new string('-', 30));
foreach (var student in students)
{
Console.WriteLine(student.FirstName + " " + student.LastName);
}
var selectedStrudents = SortStudentsByName(students);
Console.WriteLine();
Console.WriteLine("List of students, whose first name is before their last name: ");
Console.WriteLine(new string('-', 30));
foreach (var student in selectedStrudents)
{
Console.WriteLine(student.FirstName + " " + student.LastName);
}
}
private static IEnumerable<Student> SortStudentsByName(Student[] students)
{
var selectedStudents =
from student in students
where student.FirstName.CompareTo(student.LastName) < 0
select student;
return selectedStudents;
}
static void Main()
{
//list with students
var students = new Student[]
{
new Student("John", "Doe"),
new Student("Jane", "Doe"),
new Student("Alana", "Smith"),
new Student("Brian", "Jones"),
new Student("Zoe", "Ferguson"),
new Student("Bob", "Bobson"),
new Student("Kate", "Morris")
};
//sorting with OrderBy() and ThenBy()
var lambdaSort = students.OrderByDescending(s => s.FirstName).ThenByDescending(s => s.LastName);
Console.WriteLine("Students sorted with lambda expressions: ");
Console.WriteLine(new string('-', 30));
foreach (var student in lambdaSort)
{
Console.WriteLine(student.FirstName + " " + student.LastName);
}
//sorting with LINQ
var linqSort =
from student in students
orderby student.FirstName descending, student.LastName descending
select student;
Console.WriteLine();
Console.WriteLine("Students sorted with LINQ: ");
Console.WriteLine(new string('-', 30));
foreach (var student in linqSort)
{
Console.WriteLine(student.FirstName + " " + student.LastName);
}
}
