The duplicate code is, of course, the two private data members for street and city.
当然，重复的代码是表示街道和城市的两个私有数据成员。
youdao
Duplicate code is a common problem on software projects.
复制代码是软件项目当中一个常见的问题。
应用推荐
模块上移
模块下移
不移动