public void AddStudent(Student student)
{
if (this.students.Any(currentStudent => currentStudent.Id == student.Id))
{
throw new InvalidOperationException("Duplicated Id!");
}
this.students.Add(student);
}
public void AddStudent(Student student)
{
if (!(this.students.Count < Course.Capacity))
{
throw new InvalidOperationException("Course is full!");
}
if (this.students.Contains(student))
{
throw new ArgumentException("Student already added!");
}
this.students.Add(student);
}
public bool RemoveStudent(Student student)
{
return this.students.Remove(student);
}