long81401

阿里对一些java代码的技术的写法制定,感谢阿里,想要规范代码的还是比较有使用价值的哦

计算器参考/** * A simple calculator program. * I saw this program in a QQ group, and help a friend correct it. * * @author Singyuen Yip * @version 1.00 12/