public ENNew(String idBook, ENSubject subject, ENCourse course, String cif, ENYear years, String name, int quantity, String description) : base(idBook, subject, course, cif, years, name, quantity, description) { cadNew = new CADNew(); }
public ENYearHasBooks(ENBook book, ENYear year) { this.book = book; this.year = year; }
public ENYearHasBooks() { cadYearHasBook = new CADYearsHasBooks(); year = new ENYear(); book = new ENBook(); }