java相关RSS 部分资料已经生成代码和jar包-RSS part of java-related information has been generated code and the jar package

本程序是数制转换问题，为十进制数字和罗马数值间的相互转化，本程序用的是函数调用法-This program is the number of system conversion problems, in order to decimal numbers and value of the inter-conversion of Rome, this program using a function call method

凯撒密码作为一种最为古老的对称加密体制，在古罗马的时候都已经很流行，他的基本思想是：通过把字母移动一定的位数来实现加密和解密。例如，如果密匙是把明文字母的位数向后移动三位，那么明文字母B就变成了密文的E，依次类推，X将变成A，Y变成B，Z变成C，由此可见，位数就是凯撒密码加密和解密的密钥。个人原创。-Caesar password as one of the most ancient symmetric encryption syste

ROT13 ( rotate by 13 places , sometimes hyphenated ROT-13) is a simple letter substitution cipher that replaces a letter with the letter 13 letters after it in the alphabet. ROT13 is an example of the Caesar cipher, deve