当本java文件运行时即备份本文件为一个副本。

Derby数据库是一个纯用Java实现的内存数据库，属于Apache的一个开源项目。由于是用Java实现的，所以可以在任何平台上运行；另外一个特点是体积小，免安装，只需要几个小jar包就可以运行了。这是其jar包。-Derby database is a pure Java implementation of the memory database with belonging to an open source Apache project. Because it is implemented using Java, so it can run on any platform Another feature is a small, free installation, only a few small jar package can be run. That is its jar package.

是一个wap+java的不错的例子，可以参考着自己来做一次，这样效果就很明显了-Is a wap+ Java good example, you can reference to do their time, so the effect is quite clear

用了就知道,不用我多说-spent know, I do not have to say

This a JavaBean application, which contains 4 beans. In this package, there are 4 files: cexchange.jar(ready to load into BeanBuilder), readme.txt, currencyData.txt(data file), screenshot.jpg(linking beans)-This a JavaBean application, which contains four beans. In this package, there are four files : cexchange.jar (ready to load into BeanBuilder ), readme.txt, currencyData.txt (data file). Screenshot (linking beans)

用java编写的显示系统现在时间的例子 很小，但是实现线程的用法-java prepared with the system now shows examples of the timing of a small, but the realization of the thread usage

非常适合初学者的一个用Java编写的多线程程序，是一个简单的模拟售票系统的程序。-Very suitable for beginners to use a multi-threaded programs written in Java, is a simple ticketing system simulation program.

本文件实现将输入文件中的英语单词差错功能 ,有可视界面,可方便导入文件和词典-achieve this document will be entered into the document English word error function, visual interface that would facilitate import documents and dictionaries

一个简约的个人网上书店的源码，环境为TOMCAT+JSP+XML。-a simple personal source of online bookstores, TOMCAT JSP environment for XML.

Create the Northern Ireland graphic

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