This is the university title after java answer specific questions after which it...

Log4J是Apache软件基金会Jakarta项目下的一个子项目，是用Java编写的优秀日志工具包。通过Log4J可以在不修改代码的情况下，方便、灵活地控制任意粒度的日志信息的开启或关闭，然后使用定制的格式，把日志信息输出到一个或多个需要的地方。 最令人感兴趣的就 是，这些可以通过一个配置文件来灵活地进行配置，而不需要修改应用的代码。 -Log4J is the Apache Software Foundation Jakarta under a subproject is prepared to use Java logging toolkit outstanding. Log4J can be adopted without amending the code, the convenience, flexibility to control arbitrary granularity of the log information of the open or closed, then use the custom format, the log information output to one or more needed. Most interesting is that these can be through a configuration file to configure a flexible manner, without modifying application code.

自己编的音乐播放器，有源码，应该对初学者有帮助-i think it ok

以一个酒店的进销存系统为例，讲述如何建立一个完整的、具有餐饮行业特点的C/S模式下的进销存系统。-to a hotel Invoicing System as an example on how to build a complete, with the catering industry characteristics of the C/S under the PSI system.

该书提供了有关java技术的100问题一问答的方式来介绍java。-The book provides information about the java technology questions and answers 100 questions a way to introduce java.

JAVA中实现的多线程实现的Web服务器-JAVA achieve the realization of multi-threaded Web server

一个很贴近的和windows界面很像的记事本-A very close and very much like the windows interface of Notepad

退出窗口方法。雷亚尔

一个简单的java记事本，有什么不足之处还希望多多指教。-A simple java Notepad, to see what the inadequacies also hope that the exhibitions.

JAVA在线通讯系统-JAVA online communications system

deegree 开源软件，实现　wps wss wms wfs 等ＯＧＣ规范的软件，有源码，-deegree open source software to achieve wps wss wms wfs and other OGC specifications of software, there is source code