public void RemoveStudent(Student st)
{
studentGroup.Remove(st);
}
public int LastNameComparer(Student st1, Student st2)
{
return st1.LastName.CompareTo(st2.LastName);
}
public int GroupComparer(Student st1, Student st2)
{
return st1.Group.CompareTo(st2.Group);
}
public int FirstNameComparer(Student st1, Student st2)
{
return st1.FirstName.CompareTo(st2.FirstName);
}
public int DateTimeComparer(Student st1, Student st2)
{
return st1.DateOfBirth.CompareTo(st2.DateOfBirth);
}
public void AddStudent(Student st)
{
studentGroup.Add(st);
}
