Linux software developer, open source player (maybe).
发布时间:2016-01-10 20:09:38
1) The logical conclusion of this line of thought is a system represented to users as a hierarchy ofabstract classes and implemented by a classical hierarchy. In other words:? Use abstract classes to support interface inheritance (§3.2.3, §20.1).? Use base classes with implementations of vir.........【阅读全文】