public Course(string courseName, string teacherName, List <Student> courseStudents)
{
Validation.ValidateName(courseName);
Validation.ValidateName(teacherName);
this.CourseName = courseName;
this.TeacherName = teacherName;
this.CourseStudents = courseStudents;
}
public Student(string name)
{
Validation.ValidateName(name);
this.StudentName = name;
}