search the id numbers that is duplicated

一个J2EE模式的，基于Structs架构的Web工程。演示了如何将图片保存到SQL2000数据库中，并根据条件将数据库中的图片显示到网页。-a J2EE model, based on Structs structure of the Web works. Demonstration of how to preserve photographs of SQL2000 database, and the conditions under which the database will show pictures of the website.

一个jsp写的考试系统，还可以测试你的jsp知识 -Jsp write a test system can also test your knowledge of the jsp

fifo及lru页面置换算法-fifo and LRU algorithm replacement pages

发送syslog的小工具- Transmits syslog the small tool

本系统是在线考试系统，仅供参考，基本功能已经实现，希望大家提出宝贵建议-Examination of this system is the online system, for reference only, the basic function has been achieved, I hope we put forward valuable suggestions

java开发的聊天室-java development of the chat room

最基础的网络聊天器TCP 有兴趣的朋友可以下载来-the most basic TCP network chatting with friends are interested can download to look at the

音乐播放器，可播放mp3等格式的音乐，用java编写-Music player that can play mp3 and other formats of music, using java prepared

一本很好的jdk手册-a good manual jdk

java写的简单的时钟程序,界面简洁漂亮,对初学者很有参考价值, 类Clock继承了java.applet.Applet，并实现了Runnable接口-A simple clock program of java,beautiful and concision interface,very useful to the beginners for reference,the class Clock inherit java.applet.Applet,and implement Runnable interface.