Test 25.01.2021

//class Book
public class Book {
    private String title;
    private String author;
    private String publishers;
    private int year;
    private int ID;
    // заглавие, автор, издателство, година на издаване и Iномер.


    public Book(String title, String author, String publishers, int year, int ID) {
        this.title = title;
        this.author = author;
        this.publishers = publishers;
        this.year = year;
        this.ID = ID;
    }

    public String getTitle() {
        return title;
    }

    public void setTitle(String title) {
        this.title = title;
    }

    public String getAuthor() {
        return author;
    }

    public void setAuthor(String author) {
        this.author = author;
    }

    public String getPublishers() {
        return publishers;
    }

    public void setPublishers(String publishers) {
        this.publishers = publishers;
    }

    public int getYear() {
        return year;
    }

    public void setYear(int year) {
        this.year = year;
    }

    public int getID() {
        return ID;
    }

    public void setID(int ID) {
        this.ID = ID;
    }

    @Override
    public String toString() {
        return String.format("Title: %s Author: %s Publishers: %s Year: %d ID: %d",title,author,publishers,year,ID);
    }
}

//класа на библиотеката от книги
import java.util.ArrayList;
import java.util.List;

public class Library {
    private String name;
    private List<Book> listBooks;

    public Library(String name) {
        this.name = name;
        this.listBooks = new ArrayList<>();
    }

    public List<Book> getListBooks() {
        return listBooks;
    }

    public void setListBooks(List<Book> listBooks) {
        this.listBooks = listBooks;
    }

    public void add(Book book) {
        listBooks.add(book);
    }

    public void remove(Book book) {
        listBooks.remove(book);
    }

    public void bookInformation(Book book) {
        for (Book book11 : listBooks) {
            if (book11.equals(book)) {
                System.out.println(book11.toString());
            }
        }
    }
    public void allInfo(){
        for (Book listBook : listBooks) {
            System.out.println(listBook.toString());
        }
    }

    public void removeBookFromAuthor(String author) {
        listBooks.removeIf(book -> book.getAuthor().equals(author));
    }

    public void removeBookFromStivanKing() {
        listBooks.removeIf(listBook -> listBook.getAuthor().equals("Стивън Кинг"));
    }
}
//Main
import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        Library library = new Library("Моята библиотека");
        Book book = new Book("То", "Стивън Кинг", "", 1986, 2);
        Book book1 = new Book("Институтът", "Стивън Кинг", "", 2019, 3);
        Book book2 = new Book("Под игото", "Иван Вазов", "", 1893, 4);
        library.add(book);
        library.add(book1);
        library.add(book2);

        library.allInfo();
        System.out.println();
//        library.removeBookFromAuthor("Стивън Кинг");
        //трие книгите от подаден автор
        library.removeBookFromStivanKing();
        //трие книги от Стивън Кинг
        System.out.println();
        library.allInfo();
    }
}