public TBook search_accessible_book(Object data) {
Iterator<TBook> it1 = mBooks.iterator();
TBook helpbook;
while (it1.hasNext()) {
helpbook = it1.next();
if (helpbook.period_pass(data)) {
return helpbook;
}
}
return null;
}
public void add_book(String[] data) {
TFactory factory = new TFactory();
TBook newbook = factory.create_book(data);
if (search_book(newbook) == null) mBooks.add(newbook);
newbook.setmTitle_book(this);
}