package classesTemplate; import java.util.ArrayList; public class Library { public ArrayList books = new ArrayList(); public ArrayList members = new ArrayList(); public void addBook(Book book) { books.add(book); } public void addMember(Member member) { members.add(member); } public void displayAvailableBooks() { if (books.isEmpty()) { System.out.print("Kütüphane boş!"); } else { for (int i = 0; i < books.size(); i++) { books.get(i).displayInfo(); } } } public void displayBook(Book book) { book.displayInfo(); } }