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task-5
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task-5
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import java.util.ArrayList;
import java.util.List;
class Book {
private int id;
private String title;
private String author;
private String isbn;
private int copiesAvailable;
public Book(int id, String title, String author, String isbn, int copiesAvailable) {
this.id = id;
this.title = title;
this.author = author;
this.isbn = isbn;
this.copiesAvailable = copiesAvailable;
}
// Getters and setters for book properties
@Override
public String toString() {
return "Book [ID=" + id + ", Title=" + title + ", Author=" + author + ", ISBN=" + isbn + "]";
}
public int getId() {
return 0;
}
}
class Library {
private List<Book> books = new ArrayList<>();
public void addBook(Book book) {
books.add(book);
}
public void removeBook(int bookId) {
books.removeIf(book -> book.getId() == bookId);
}
public Book findBook(int bookId) {
for (Book book : books) {
if (book.getId() == bookId) {
return book;
}
}
return null;
}
public List<Book> getAllBooks() {
return books;
}
}
public class LibraryManagementSystem {
public static void main(String[] args) {
Library library = new Library();
Book book1 = new Book(1, "To Kill a Mockingbird", "Harper Lee", "978-0061120084", 3);
Book book2 = new Book(2, "1984", "George Orwell", "978-0451524935", 5);
Book book3 = new Book(3, "Pride and Prejudice", "Jane Austen", "978-0141439518", 2);
library.addBook(book1);
library.addBook(book2);
library.addBook(book3);
List<Book> allBooks = library.getAllBooks();
for (Book book : allBooks) {
System.out.println(book);
}
Book foundBook = library.findBook(2);
if (foundBook != null) {
System.out.println("Found Book: " + foundBook);
} else {
System.out.println("Book not found.");
}
library.removeBook(1);
System.out.println("After removing book 1:");
allBooks = library.getAllBooks();
for (Book book : allBooks) {
System.out.println(book);
}
}
}