PDF分解和合并软件，是用于对PDF文件进行分解和合并，图形用户界面提供了选择文件和设置选项等功能-PDF Split and Merge is an easy to use tool to merge and split pdf documents. Console and GUI versions are available. The GUI is written in Java Swing and it provides functions to select files and set

项目描述：该项目采用java面向对象编程思想实现了对福利彩票中35选7、双色球、 及七乐彩中奖原则与产生的随机数进行对比，判断是否中奖。首先进入选择福利彩票的类型，然后进入到买号，可以自己填，也可以随机选择，最后进行兑奖 运用技术：此项目运用了图形界面GUI的开发、对文件的读写、随机数的产生 -Project Descr iption: The project uses the Java object-oriented programming ideas to achieve the

基于java图形界面的聊天室，包括用户注册、邮箱验证，多人聊天以及私聊，类似天QQ性质。-Java graphical interface-based chat rooms, including user registration, mailbox validation the multiplayer chat as well as private chat, similar to the nature of the day QQ.

一个订货系统，两种登录方式，包含订单界面，客服界面，管理员界面，商品界面。（java图形界面）-An ordering system, two kinds of login, the interface includes orders, customer interface, the administrator interface, commodity interface. (Java graphical interface)