介绍了三种修改现有代码提高其可重用性的方法，它们分别是：改写类的实例方法，把参数类型改成接口，选择最简单的参数接口类型。...

该源码包括了基于J2EE的数据持久层设计,设计中使用了DAO,Service,等模式,并在Struts下进行了测试．-including the source of J2EE-based data persistence layer design, design used DAO, Service, and other models, and the Struts under test.

自己些的java版本的按键精灵可以读取配置文件（Voter.action）-Own some of the java version of the button configuration files can be read Elven (Voter.action)

Jmol是一个使用java语言编写的开源的免费三维分子显示工具,用于分子模型的浏览和编辑，可以支持多种分子格式，并支持多种常用的图像格式。 -Jmol is a java language to use free open-source tool for three-dimensional display elements for the molecular model of browsing and editing, the format can support a variety of elements, and supports a wide range of commonly used image format.

表达式计算代码,按优先级计算输入的表达式,支持括号,阶乘号,暂不支持三角函数！--Expression calculating code, it can calculate inputed expression by priority ,and supports parenthesis, factorial sign, and it does not support trigonometrical functions for now!

JAVA编写的扫雷小游戏可以参考一下。还不错！ -JAVA game mine prepared for reference. Good!

是用java和jsp实现的bbs论坛系统。 有注册登陆模块，浏览功能模块，发帖回帖模块，帖子管理模块，论坛设置功能模块，管理版块功能模块，用户管理模块。-jsp and bulletin board forums to achieve the system. Registered landing module, browsing module, posting replies module, posting management module, the Forum set up functional modules, management plate functional modules, user management module.

图解JSP环境安装配置-graphical environment JSP installation configuration

AES 256 bit encryption and decryption

这是一个文件的上传下载程序,比较简捷,易于学习-This is a document of uploading and downloading procedures, more simple and easy to learn

这个可以算是我第一个用Java写的应用程序，界面使用了AWT。功能非常简单，但通过它使我“懂”得了Java。 它的功能是颜色的十进制与十六进制间的转换。-this can be considered as the first one I used to write Java applications, the use of AWT interface. Functional very simple, but I passed it "understood" gaining Java. It is the function of the color of hexadecimal and decimal the conversion.