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计算器,有点错误,望高人指教-calculator, a little bit wrong, look superior enlighten

数据库备份程序示例-sample database backup procedures

Java语言编写的计算器,实现较为简单的四则运算功能,为参考用!-Calculator Java language, the realization of relatively simple arithmetic functions, for reference!

此程序可实现：在一个可视化界面中随机生成3种safe－colour（不显示白色）；用户可将颜色自由添加至4种类似的色族中；程序最后显示出用户添加颜色的分布。-this procedure can be achieved : in a visual interface randomly generated three kinds of safe-color (not shown white); users will be able to freely add color to 4 color similar types of communities; procedures for the final show users add color distribution.

java chatroom , have good functions

素数判断用Java程序写的Applet小程序 输入任意证书均可以判断是否是素数-Prime numbers to determine the procedures used to write the Java applet Applet arbitrary input can determine whether the certificate is a prime number

可以输出最大公约数 用Java语言实现扩展欧几里得算法 -Common denominator can be output using Java language extended Euclid algorithm

是一个，用java写的物理仿真实验程序，供大家学习-is one used to write java physical simulation procedures for all learning

SSD3的EX5，绝对OK，已经得了100分，大家放心下载-SSD3 the EX5, is absolutely OK, has won 100 points, we rest assured downloads

对文件获取文件信息-right information documents obtained documents