Copyright About the Author Acknowledgments We Want to Hear from You! Introduction Why Is This Book Unique? Who Is This Book For? About the Book's Code Conventions Used in This Book Chapter 1. Making Fish Swim in the Multithreaded Aquarium Building the Aquarium Loading the Fish Moving Those Fish Double-Buffering the Drawing Creating the Fish Making the Fish Swim Drawing the Fish Conclusion Chapter 2. Slapshot! The Interactive Hockey Game Creating the Rink Starting a Game Moving Those Pucks Getting the Pucks to Bounce Off Each Other How the Computer Blocks Pucks How the User Blocks Pucks Setting the Speed Creating the Pucks Conclusion Chapter 3. The Graphicizer Image-Editing and Conversion Tool Creating the Graphicizer Window Opening an Image File Painting the Image Saving an Image File Embossing an Image Sharpening an Image Brightening an Image Blurring an Image Reducing an Image Undoing a Change Conclusion Chapter 4. Creating Stunning Graphics with Painter Creating the Painter Window Handling Menu Selections Handling the Mouse Drawing Some Graphics Drawing Lines Drawing Ellipses Drawing Rectangles Drawing Rounded Rectangles Drawing Freehand Drawing Text Drawing the Final Image Setting Colors Conclusion Chapter 5. Chatting on the Internet with the Chat Room Creating the Chat HTML Page Creating JSP Pages Getting the Tomcat Web Server Using Some Java in JSP Reading Data from HTML Controls in JSP Using Request Objects Using the Session an

这个是Java的初级练习小项目,涉及到的内容有:基础语法/集合的使用/IO读写流/异常处理/

支付宝三种接口实例，都可以用，看你喜欢哪种方式

比较好的一个在线考试系统，基本上有前台展示页面跟后台管理的页面，实现了一个完整的Web应用，个人认为里面的分页代码独立出来的方法很好，实现了很好的代码复用率。

这个是我大一的时候的一个练习的项目，使用的是Servlet+JSP的方法，比较适合初学的人员参考一下，当然代码中还有不完善的地方，毕竟当时写的代码还是有些稚嫩，不过学习的价值还是有的。喜欢的小伙伴可以拿去参考学习！