public static double Average(this StudentCollection <string> dict)
{
double av = 0;
int counter = 0;
foreach (var s in dict.list.Values.ToList())
{
av += s.GPA;
counter++;
}
return(av / counter);
}
static void Main(string[] args)
{
string stars = "\n******************************************************************\n";
StudentCollection <string> list1 = new StudentCollection <string>("Collection1");
StudentCollection <string> list2 = new StudentCollection <string>("Collection2");
Journal <string> j1 = new Journal <string>();
list1.StudentChanged += j1.StudentChanged;
list2.StudentChanged += j1.StudentChanged;
Student st1 = new Student(new Person("Joe", "Claire", new DateTime(2002, 12, 14)), Education.Вachelor, 3);
list1.AddStudents("s1", st1);
list2.AddStudents("s2", new Student(new Person("Jude", "Harley", new DateTime(2002, 06, 13)), Education.Вachelor, 4));
list1.AddDefaults("s3");
list2.AddDefaults("s4");
Student st2 = new Student(new Person("Jane", "Crocker", new DateTime(1996, 4, 13)), Education.Вachelor, 4);
bool newflag = list1.Remove(st1);
bool newflag1 = list2.Remove(st2);
// s1 s4;
st1.Gr = 6;
list2["s2"].Educat = Education.Specialist;
list1["s3"].Gr = 7;
Console.WriteLine(stars);
Console.WriteLine("Journal1:\n");
Console.WriteLine(j1.ToString());
/*Console.WriteLine(stars);
* Console.WriteLine(list2.ToString());*/
// Console.WriteLine(list2[3].ToShortString());
Student s1 = new Student(new Person("John", "Egbert", new DateTime(1995, 04, 13)), Education.Specialist, 2);
Student s2 = new Student(new Person("Dave", "Strider", new DateTime(1995, 12, 03)), Education.Specialist, 5);
Student s3 = new Student(new Person("Rose", "Lalond", new DateTime(1995, 12, 4)), Education.SecondEducation, 5);
Student s4 = new Student(new Person("Jade", "Harley", new DateTime(1995, 12, 1)), Education.Вachelor, 4);
Exam[] exams0 =
{
new Exam("Chemistry", 100, new DateTime(2007, 05, 14)),
new Exam("Math", 89, new DateTime(2007, 05, 16)),
new Exam("Literarure", 45, new DateTime(2007, 06, 01)),
new Exam("Driving", 55, new DateTime(2010, 12, 10)),//72.25
};
Exam[] exams1 =
{
new Exam("Chemistry", 75, new DateTime(2007, 05, 14)),
new Exam("Math", 64, new DateTime(2007, 05, 16)),
new Exam("Literarure", 22, new DateTime(2007, 06, 01)),
new Exam("Driving", 95, new DateTime(2010, 12, 10)),//64
};
Exam[] exams2 =
{
new Exam("Chemistry", 85, new DateTime(2007, 05, 14)),
new Exam("Math", 55, new DateTime(2007, 05, 16)),
new Exam("Literarure", 45, new DateTime(2007, 06, 01)),
new Exam("Driving", 95, new DateTime(2010, 12, 10)),//70
};
Exam[] exams3 =
{
new Exam("Chemistry", 93, new DateTime(2007, 05, 14)),
new Exam("Math", 93, new DateTime(2007, 05, 16)),
new Exam("Literarure", 95, new DateTime(2007, 06, 01)),
new Exam("Driving", 94, new DateTime(2010, 12, 10)),//93.75
};
s1.AddExams(exams0);
s2.AddExams(exams1);
s3.AddExams(exams2);
s4.AddExams(exams3);
list1.AddStudents("st1", s1);
list1.AddStudents("st2", s2);
list1.AddStudents("st3", s3);
list1.AddStudents("st4", s4);
Console.WriteLine(stars);
Console.WriteLine(list1.ToString());
Console.WriteLine("Average GPA: ");
Console.WriteLine(list1.Average());//60
Console.ReadKey();
}