static void Main(string[] args)
{
// Add exercises
Exercise exercise1 = new Exercise("Chicken Monkey", "JavaScript");
Exercise exercise2 = new Exercise("coffee", "css");
Exercise exercise3 = new Exercise("html-components", "html");
Exercise exercise4 = new Exercise("Urban Planner", "C#");
//Add Cohorts
Cohort c34 = new Cohort("Cohort-34");
Cohort c35 = new Cohort("Cohort-35");
Cohort c36 = new Cohort("Cohort-36");
//Add Students
Student student1 = new Student("Kelly", "Coles", "kellycoles");
Student student2 = new Student("Jane", "Doe", "doegirl");
Student student3 = new Student("Jack", "Black", "blackish");
Student student4 = new Student("Sam", "Spam", "iamsam");
Student student5 = new Student("Seth", "Slacker", "slacking");
//Add Instructors
Instructor instructor1 = new Instructor("Steve", "Brownlee", "sbrownlee", "jokes", c35);
Instructor instructor2 = new Instructor("Andy", "Collins", "askinalot", "funny", c34);
Instructor instructor3 = new Instructor("Bryan", "Neilson", "highfivin", "drawing", c34);
Instructor instructor4 = new Instructor("Jenna", "Solis", "jsolis", "tacos", c34);
// Assign Exercises
instructor1.AssignStudentExercises(student2, exercise3);
instructor1.AssignStudentExercises(student2, exercise1);
instructor4.AssignStudentExercises(student3, exercise4);
instructor3.AssignStudentExercises(student3, exercise2);
instructor2.AssignStudentExercises(student1, exercise3);
instructor4.AssignStudentExercises(student1, exercise4);
instructor3.AssignStudentExercises(student4, exercise2);
instructor2.AssignStudentExercises(student4, exercise3);
instructor2.AssignStudentExercises(student4, exercise1);
//Add students to list
List <Student> students = new List <Student> ()
{
student1,
student2,
student3,
student4,
student5
};
// Assign students to cohort
c35.AddStudents(student1);
c36.AddStudents(student2);
c34.AddStudents(student3);
c36.AddStudents(student4);
c34.AddStudents(student5);
//Add exercise to list
List <Exercise> exercises = new List <Exercise> ()
{
exercise1,
exercise2,
exercise3,
exercise4
};
//Add instructor to list
List <Instructor> instructors = new List <Instructor> ()
{
instructor1,
instructor2,
instructor3,
instructor4
};
//Add Cohort to list
List <Cohort> cohorts = new List <Cohort> ()
{
c34,
c35,
c36
};
// Output what students are working on
foreach (Exercise exe in exercises)
{
Console.WriteLine();
Console.WriteLine($"Students working on: {exe.Name}");
Console.WriteLine("-----------------------------------------------------------------");
foreach (Student stu in students)
{
if (stu.ExerciseList.Contains(exe))
{
Console.WriteLine($"{stu.FirstName} {stu.LastName}");
}
}
;
}
//=====================================================================================
// PART 2
//=====================================================================================
// 1. List exercises for the JavaScript language by using the Where() LINQ method.
Console.WriteLine();
Console.WriteLine("Exercises that use JavaScript:");
Console.WriteLine("-----------------------------");
List <Exercise> jsExercises = exercises.Where(n => n.Language == "JavaScript").ToList();
foreach (Exercise exe in jsExercises)
{
Console.WriteLine(exe.Name);
}
// 2. List students in a particular cohort by using the Where() LINQ method.
Console.WriteLine();
Console.WriteLine("Students in cohort 36:");
Console.WriteLine("-----------------------------");
List <Student> c36Students = students.Where(n => n.Cohort == c36).ToList();
foreach (Student stu in c36Students)
{
Console.WriteLine(stu.FirstName);
}
// 3. List instructors in a particular cohort by using the Where() LINQ method.
Console.WriteLine();
Console.WriteLine("Instructors in cohort 34:");
Console.WriteLine("-----------------------------");
List <Instructor> c34Instructors = instructors.Where(n => n.Cohort == c34).ToList();
foreach (Instructor ins in c34Instructors)
{
Console.WriteLine(ins.FirstName);
}
// 4. Sort the students by their last name.
Console.WriteLine();
Console.WriteLine("Students sorted by last name:");
Console.WriteLine("-----------------------------");
List <Student> studentSort = students.OrderBy(n => n.LastName).ToList();
foreach (Student stu in studentSort)
{
Console.WriteLine(stu.LastName);
}
// 5. Display any students that aren't working on any exercises (Make sure one of your student instances don't have any exercises. Create a new student if you need to.)
Console.WriteLine();
Console.WriteLine("Students with no exercises:");
Console.WriteLine("-----------------------------");
List <Student> StudentsNoExe = students.Where(n => n.ExerciseList.Count == 0).ToList();
foreach (Student stu in StudentsNoExe)
{
Console.WriteLine(stu.FirstName);
}
// 6. Which student is working on the most exercises? Make sure one of your students has more exercises than the others.
Console.WriteLine();
Console.WriteLine("Student working on the most exercises:");
Console.WriteLine("-----------------------------");
List <Student> StudentMostExe = students.OrderByDescending(n => n.ExerciseList.Count()).ToList();
Console.WriteLine(StudentMostExe[0].FirstName);
// 7. How many students in each cohort?
foreach (Cohort c in cohorts)
{
Console.WriteLine();
Console.WriteLine($"Students in: {c.Name}");
Console.WriteLine("-----------------------------------------------------------------");
Console.WriteLine(c.StudentList.Count());
}
}
static void Main()
{
/* Create 4, or more, exercises.
* Create 3, or more, cohorts.
* Create 4, or more, students and assign them to one of the cohorts.
* Create 3, or more, instructors and assign them to one of the cohorts.
* Have each instructor assign 2 exercises to each of the students. */
Exercise Journal = new Exercise("Student Journal", "Javascript");
Exercise KandyKorner = new Exercise("Kandy Korner", "React")
{
};
Exercise CarLot = new Exercise("Car Lot", "C#");
Exercise Personal = new Exercise("Personal Website", "HTML");
Cohort thirty = new Cohort("Cohort 30");
Cohort twentynine = new Cohort("Cohort 29");
Cohort eveningeight = new Cohort("Evening 8");
Student pEris = new Student("Panya Gwynn-Eris", "naienko");
Student sRainault = new Student("Summer Rainault", "firechild");
Student bAllen = new Student("Bartholomew Allen", "theflash");
Student kDubhglas = new Student("Kieran Dubhglas", "eolascraicte");
Instructor sBrownlee = new Instructor("Steve Brownlee", "chortlehoort");
Instructor sStCyr = new Instructor("Sebastien StCyr", "elementalist");
Instructor eThawne = new Instructor("Eobard Thawne", "reverseflash");
thirty.AddStudents(new List <Student> {
sRainault, bAllen
}, thirty);
thirty.AddInstructors(eThawne, thirty);
eveningeight.AddStudents(kDubhglas, eveningeight);
eveningeight.AddInstructors(sBrownlee, eveningeight);
twentynine.AddStudents(pEris, twentynine);
twentynine.AddInstructors(sStCyr, twentynine);
sBrownlee.AssignExercise(Personal, kDubhglas);
sStCyr.AssignExercise(Journal, pEris);
eThawne.AssignExercise(KandyKorner, new List <Student> {
sRainault, bAllen
});
eThawne.AssignExercise(CarLot, sRainault);
eThawne.AssignExercise(Journal, bAllen);
sStCyr.AssignExercise(Personal, pEris);
sBrownlee.AssignExercise(Journal, kDubhglas);
Console.WriteLine(thirty);
Console.WriteLine(twentynine);
Console.WriteLine(eveningeight);
List <Student> students = new List <Student>()
{
pEris, bAllen, sRainault, kDubhglas
};
List <Exercise> exercises = new List <Exercise>()
{
Journal, CarLot, KandyKorner, Personal
};
List <Instructor> instructors = new List <Instructor>()
{
sBrownlee, eThawne, sStCyr
};
List <Cohort> cohorts = new List <Cohort>()
{
eveningeight, twentynine, thirty
};
// List exercises for the JavaScript language by using the Where() LINQ method.
var javascriptExercises = exercises.Where(e => e.Language == "Javascript");
Console.WriteLine("Exercises in Javascript");
foreach (var item in javascriptExercises)
{
Console.WriteLine(item);
}
Console.WriteLine(" ");
//List students in a particular cohort by using the Where() LINQ method.
var cohortThirtyStudents = students.Where(s => s._cohort == thirty);
Console.WriteLine("Cohort Thirty students");
foreach (var item in cohortThirtyStudents)
{
Console.WriteLine(item);
}
Console.WriteLine(" ");
//List instructors in a particular cohort by using the Where() LINQ method.
var cohortTwentynineInstructors = instructors.Where(i => i._cohort == twentynine);
Console.WriteLine("Cohort Twenty Nine Instructors");
foreach (var item in cohortTwentynineInstructors)
{
Console.WriteLine(item);
}
Console.WriteLine(" ");
//Sort the students by their last name.
IEnumerable <Student> byLastName = from student in students
orderby student._lastname ascending
select student;
Console.WriteLine("Sort by last name");
foreach (var item in byLastName)
{
Console.WriteLine(item);
}
Console.WriteLine(" ");
//Display any students that aren't working on any exercises (Make sure one of your student instances don't have any exercises. Create a new student if you need to.)
Student tMaclyr = new Student("Teleri MacLyr", "selkiegirl");
students.Add(tMaclyr);
IEnumerable <Student> boredStudent = from student in students
where student.Exercises.Count == 0
select student;
Console.WriteLine("Students who have no exercises");
foreach (var item in boredStudent)
{
Console.WriteLine(item);
}
Console.WriteLine(" ");
//Which student is working on the most exercises? Make sure one of your students has more exercises than the others.
eThawne.AssignExercise(Personal, sRainault);
IEnumerable <Student> starStudents = from student in students
orderby student.Exercises.Count descending
select student;
Console.WriteLine("The student who has the most exercises");
Console.WriteLine(starStudents.First());
Console.WriteLine(" ");
//How many students in each cohort?
List <StudentsInCohort> studentsPerCohort = (
from student in students
group student by student._cohort into cohortGroup
select new StudentsInCohort {
cohortName = cohortGroup.Key,
cohortCount = cohortGroup.Count()
}
).ToList();
foreach (StudentsInCohort entry in studentsPerCohort)
{
try{
Console.WriteLine($"{entry.cohortName.Name} has {entry.cohortCount} students in it.");
}
catch (NullReferenceException) {
Console.WriteLine($"There are unassigned students!");
}
}
}
