在java串口通信

jxta官方例程，语音，视频，文字通讯。-jxta official routines, voice, video and text messaging.

招标投标网上系统-online bidding system

非常经典的源代码,请各位-very classic source code, please s

源码 / 社区论坛 阿菜java论坛-source/A community forum vegetables java Forum

一个用纯java 编写的mail 的例子-a prepared with pure java examples of mail

JSP上传系统：本上传系统支持分类上传、管理；支持所有的上传的文件类型；自动重命名上传文件；支持数据库，且每删除一个数据，上传在文件夹中的文件也相应删除。-JSP upload systems: From system to support the classification of upload, management support for all types of uploaded files automatically upload files to rename support database, and every one delete data in folders upload documents delete the corresponding.

java系统通用框架 很实用的东东 一般人都看的懂, -java系统通用框架

使用javamail发送邮件 演示如何使用javamail包发送电子邮件。这个实例可发送多附件-Use JavaMail to send mail using the JavaMail package demonstrate how to send an e-mail. This example can be sent more than Annex

编写程序计算三门课的平均成绩，要求应用程序分别用Java语言三种不同的循环语句实现，每门课的成绩用Math类的random()方法 随机产生（random()产生的数值在0和1之间），成绩范围为40~100。 -Write a program grade point average calculation of three lessons to require the application were used Java language in three different loop realization of the achievements of each course with the Math class, random () method of randomly generated (random () produces values between 0 and between 1), results range from 40 ~ 100.

画8个同心圆 可以调节色彩-painting eight concentric can adjust colors