摘要:
http://www.cnblogs.com/chengxingliang/archive/2013/05/21/3051912.htmlhttp://www.cnblogs.com/birdshover/archive/2008/01/07/1029471.html 阅读全文
摘要:
An abstract function has to be overridden while a virtual function may be overridden.Virtual functions can have a default /generic implementation in t... 阅读全文