package fr.univamu.progav.td9; import java.util.HashMap; import java.util.List; import java.util.Map; public class Library { private final Map<String, Book> collection = new HashMap<>(); private final Map<Book, BookStatus> bookStatuses = new HashMap<>(); public void addBook(Book book) { collection.put(book.isbn(), book); bookStatuses.put(book, BookStatus.AVAILABLE); } public Book findBook(String isbn) { // TODO return null; } public BookStatus getBookStatus(String isbn) { // TODO return null; } public Book checkoutBook(String isbn) { // TODO return null; } public BulkCheckoutResult checkoutBooks(List<String> isbns) { // TODO return null; } }