创建一个Java Application程序，并能在控制台直接输出“Hello World!”字符串...

从数据库直接导出xml文件的java源码-Directly derived from the database xml file java source

jpetstor学习，有时间可以一起-jpetstor learning and have time to take a look at

JSP 网络聊天 源代码-JSP source code

粒子群算法源码，java,c,vb,粒子群优化PSO程序包(Java,C,VB) -PSO source, java, c, vb, PSO PSO Pack (Java, C, VB)

用JAVA所写的用于矩阵运算的类，包括矩阵加、减、乘法、矩阵求逆，转置等-written with Java for matrix calculation of categories, including matrix, plus or minus, multiplication, matrix inversion, and so on to home

JAVA 2应用编程150例,学习JAVA不可多得的源码资源，对于提高JAVA编程能力大有帮助，的确值得一下。-JAVA 2 application programming 150 cases, learning JAVA invaluable source of resources, for improving the ability to go a long way in JAVA programming, it is worth clicking.

采用java技术开发的日历控件，方便开发人员使用该控件，简化日期的操作。-Technology development using java calendar control, facilitate the development of staff to use the controls to simplify the date of operation.

Java EE 5 许多新功能都包含经过修补的 EJB 架构，其突出特性之一是 JPA。由于具有容器内和容器外持久性选项，JPA 为 J2EE 架构师带来一系列全新设计选择。本文将着重介绍容器内应用程序的设计，此类应用程序依赖 EJB 容器提供企业服务，如事务处理和安全性。-Borys Burnayev (mailto:burnayev@rdacorp.com?subject=使用 EJB 3.0 Java Persistence API 设计企业应用程序),

Java手机/PDA与服务器数据库连接的源代码,包括HTTP方式与SOCKET方式-Java mobile phone/PDA with the server database connection

mysql and java_developer guide.-mysql and java_developer guide.