Book book = libraryService.findBookById(bookId); if (book != null) book.setQuantity(book.getQuantity() + 1); issuedBooks.remove(bookId); System.out.println("Book returned successfully.");
public Member(int memberId, String name, String email, String phone) this.memberId = memberId; this.name = name; this.email = email; this.phone = phone; Library Management System Project In Java With Source Code
public List<Book> searchBookByTitle(String title) return books.stream() .filter(b -> b.getTitle().toLowerCase().contains(title.toLowerCase())) .collect(Collectors.toList()); Book book = libraryService
public void showAllMembers() Phone"); for (Member m : members) System.out.println(m); Book book = libraryService.findBookById(bookId)