useful api,you can get reference from it

用java实现网络用户机与服务器的连接。用户通过登陆用户端的界面，向服务器发送用户名及密码，待服务器端审核通过，服务器给出用户的答题请求，向客户端发送题目。-Network users with java and server connectivity. Users to visit the client interface to the server to send user name and password, to be approved server, the server gives the request of the user" s answer to the client to send the title.

一个功能比较全的JMail程序 -a functional comparison of the whole procedure JMail

it is a struts presentaion

java编写的mp3播放器-prepared by the MP3 player

简单的JAVA课程设计,虽然简单了点, 我可是很认真做的-simple Java curriculum design, a simple, but I do very seriously

使用jsp和access数据库写的bbs论坛系统-BBS forum system which has used jsp and access database

用于自动生成javascirpt（类似.net中的验证控件），用jbuilder编写-for automatic generation javascirpt (similar. Net in the validation control), prepared using JBuilder

一个简单的Servlet聊天程序-a simple Servlet chat program

TCP/IP服务器端与客户端 你可以通过此建立一个TCP服务端-TCP/IP Server and Client,you can create a TCP Server by it.

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