how to change the background color, which is the basic operation

智能卡读卡器服务程序,Java语言开发,Eclipse开发环境.程序运行起来以后相当于一个server,会在TCP的一个端口监听客户端的请求,可以实现远程连接,对智能卡的访问包括复位,发送命令给智能卡,接收智能卡的应答,日至打印等等.-The smart card reader service program, Java language development, Eclipse development environment. Program up and running after the equivalent of a server, a port in the TCP listening client s request, can be remotely connected to the smart card access, including reset, send command to the smart cards, smart cards to receive the response, to print and so on.

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一套完整的图书管理系统，jsp+tomcat+mysql-A complete set of library management system, jsp+ Tomcat+ Mysql

这是一个segy数据显示程序，对搞石油勘探开发程序员很有用-This a segy data display program to engage in petroleum exploration and development programmers useful!

通过登录窗口，进行系统登录，可以修改用户的密码，可以浏览学生的信息，添加、删除、修改学生的信息等-scan information

Java日历[JDK1.4]JDK1.4随开发的日历程序，类似于Windows日历。附上详细说明。

java飞信，很棒的啊，如果喜欢就来下载吧-java fetion,very good,pealse down it

hibernate方便的操作数据库相当不错的 请各位下载看看啊-pertains to facilitate the operation of the database is quite good to see please download ah

一元稀疏多项式计算器-one yuan sparse polynomial Calculator

第1章 JSP技术概述 实例1 第一个JSP页面 第3章 Web开发基础 实例2 HTML与JavaScript交互示例 第4章 JSP语法 实例3 JSP程序的基本结构 实例4 简单数据类型综合应用实例-Chapter 1 outlines examples of JSP technology one first JSP page Chapter 3 examples of Web development based on 2 HTML and JavaScript interactive examples, Chapter 4 JSP examples of grammar 3 JSP examples of the basic structure of the procedure 4 simple data types integrated application