图书管理系统，，，仅供教学使用无需数据库，，，程序使用二进制文件保存数据该系统能够实现简单的图书和用户管理，包括添加图书，删除图书，修改图书信息，添加用户， 删除用户，修改用户信息，外借图书，归还图书，罚款计算等等。该系统的前台界面采用JAVA的 SWING开发，具有简洁美观的外观，直观的用户使用界面十分方便上手使用-library management system, and not only teaching the use of databases, and procedures to preserve the use of binary data in the system to achieve a simple and user management books, including the addition of books, books delete, modify library information, add users, delete users, with changes households information, borrowing books, return books, etc. fine calculation. The future of the system interface using Java SWING development, with the simple and beautiful appearance, intuitive user interface is very convenient to use to get started