//Rewrite previous method with LINQ
public static void SortStudentsByNameLINQ(Student[] students)
{
var sortedStudents =
from student in students
orderby student.firstName descending, student.secondName descending
select student;
PrintStudents(sortedStudents);
}
//finds all students whose first name is before its last name alphabetically
public static void FindStudentsFirstNameBeforeSecond(Student[] students)
{
var foundStudents =
from student in students
where(student.firstName.CompareTo(student.secondName) < 0)
select(student);
PrintStudents(foundStudents);
}
//finds the first name and last name of all students with age between 18 and 24
public static void FindStudentsBetween18And24(Student[] students)
{
var foundStudents =
from student in students
where student.age >= 18 && student.age <= 24
select student;
PrintStudents(foundStudents);
}
//Using the extension methods OrderBy() and ThenBy() with lambda expressions sort the students by first name
//and last name in descending order.
public static void SortStudentsByName(Student[] students)
{
var sortedStudents = students.OrderByDescending(student => student.firstName).
ThenByDescending(student => student.secondName);
PrintStudents(sortedStudents);
}