関連ワード:  what is the use of virtual function in cpp    what is the use of virtual function in c++    what is the purpose of virtual function in c++    what is the use of pure virtual function in c++    what is the purpose of pure virtual function in c++    what is the primary purpose of virtual function in c++    what is virtual function in cpp    why we use virtual function  
結果 : what is the use of virtual function in cpp