Java를 사용하여 간단한 라이브러리 관리 시스템을 구현하는 방법은 무엇입니까?

public class Book{
    private int id;          //图书编号
    private String name;    //图书名称
    private String author;  //作者
    private String press;   //出版社
    private double price;   //价格
}

public class BookManagement {
    private List<Book> bookList;   //图书列表

    //添加图书
    public void addBook(Book book){   
        //将图书加入图书列表中
    }

    //删除图书
    public void removeBook(int bookId){  
        //根据图书编号删除相应图书
    }

    //更新图书信息
    public void updateBook(Book book){  
        //修改图书的名称、作者、出版社以及价格等信息
    }

    //查询图书
    public List<Book> searchBook(String keyword){  
        //根据图书名称、编号、作者或者出版社进行查询
    }

    //显示图书列表
    public void displayBooks(){    
        //列出所有图书，并显示其相关信息。
    }
}

public void addBook(Book book){
    //生成一个唯一的图书编号
    int bookId = bookList.size() + 1;
    book.setId(bookId);  //为图书设置编号
    bookList.add(book);  //将图书加入图书列表中
    System.out.println("成功添加一本图书！");
}

public void removeBook(int bookId){
    Iterator<Book> iterator = bookList.iterator();
    while(iterator.hasNext()){
        Book book = iterator.next();
        if(book.getId() == bookId){ //判断图书编号是否匹配
            iterator.remove();      //从列表中删除该图书
            System.out.println("成功删除一本图书！");
            return;
        }
    }
    System.out.println("没有找到该编号的图书！");
}

public void updateBook(Book book){
    int bookId = book.getId();
    for(Book oldBook : bookList){    //遍历图书列表
        if(oldBook.getId() == bookId){   //判断图书编号是否匹配
            //更新图书信息
            oldBook.setName(book.getName());
            oldBook.setAuthor(book.getAuthor());
            oldBook.setPress(book.getPress());
            oldBook.setPrice(book.getPrice());
            System.out.println("成功更新一本图书！");
            return;
        }
    }
    System.out.println("没有找到该编号的图书！");
}

public List<Book> searchBook(String keyword){
    List<Book> result = new ArrayList<Book>();
    for(Book book : bookList){
        if(book.getId() == Integer.parseInt(keyword) 
            || book.getName().contains(keyword)
            || book.getAuthor().contains(keyword)
            || book.getPress().contains(keyword)){
            result.add(book);   //将匹配的图书加入到结果列表中
        }
    }
    return result;
}

public void displayBooks(){
    System.out.println("编号    书名    作者    出版社    价格");
    for(Book book : bookList){
        System.out.print(book.getId() + "    ");
        System.out.print(book.getName() + "    ");
        System.out.print(book.getAuthor() + "    ");
        System.out.print(book.getPress() + "    ");
        System.out.print(book.getPrice() + "
");
    }
}

public class Test{
    public static void main(String[] args){
        BookManagement bm = new BookManagement();

        //添加图书
        Book book1 = new Book("Java编程思想", "Bruce Eckel", "机械工业出版社", 99.8);
        bm.addBook(book1);

        //删除图书
        bm.removeBook(1);

        //更新图书信息
        Book book2 = new Book("Java核心技术", "Cay S. Horstmann", "机械工业出版社", 139.8);
        book2.setId(2);
        bm.updateBook(book2);

        //查询图书
        List<Book> result = bm.searchBook("Java");
        for(Book book : result){
            System.out.println(book.getName());
        }

        //显示图书列表
        bm.displayBooks();
    }
}