hhhhhhhh/Book.java

package jichuti1;

/**
 * 图书类
 */
public class Book {
    private String bookId;        // 图书ID
    private String title;         // 书名
    private String author;        // 作者
    private boolean isAvailable;  // 是否可借

    public Book(String bookId, String title, String author) {
        this.bookId = bookId;
        this.title = title;
        this.author = author;
        this.isAvailable = true;
    }

    // getter和setter
    public String getBookId() { return bookId; }
    public String getTitle() { return title; }
    public boolean isAvailable() { return isAvailable; }
    public void setAvailable(boolean available) { isAvailable = available; }
}