static void Main(string[] args)
{
KeyValuePair <Student[], Subject[]> data = Init();
GradeBook gBook = new GradeBook(data.Key, data.Value);
GradeBookService gradeBookService = new GradeBookService(gBook);
ConsoleMenu menu = new ConsoleMenu(gradeBookService);
menu.ShowMenu();
}
public ConsoleMenu(GradeBookService bookService)
{
this.bookService = bookService;
}