[c++] final override keyword

• the two keyword are aimed at virtual function
• final 

　　　　final function must be a virtual funtion , final  means that the base virtual function can not be override

• override 

　　　　override means the subclass have override the virtual function of baseclass , just a play a part of emphasis(强调作用)

[c++] final override keyword

原文：http://www.cnblogs.com/tianhangzhang/p/4983821.html