Java与Mysql数据库连接操作

java开发的图书馆管理系统，主要描述管理员对图书的操作-java library management system developed, the main administrator of the book describes the operation, etc.

jsp写的一个图片验证码,就像我们平时注册邮箱时.请输入验证码,那种效果-jsp to write a picture Verification Code, as we usually register mailbox. Please enter the Verification Code, that the effect of

java操作excel的类-java class operation excel

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TSP问题的源代码及城市信息-TSP source code and city information

用户登录窗口上添加组件-adding components

K公司-Means.java方法K-均值分组法（数据组数，无固定值，打开一个小窗口，选择文件：a或B或iris，10次运行+输出到Excel）

初学者用java编制的Applet实现长度单位的换算-beginners with java applet prepared by the unit of length to achieve a conversion

netBeans开发Struts netBeans开发Struts-Struts development netBeans Struts development netBeans

JFreeChart生成柱状图、饼状图、时间顺序图、折线图-JFreeChart generates histograms, pie charts, time sequence diagrams, line graph