explain virtual function

The function of virtual function in C + + is mainly to realize the mechanism of polymorphism. About polymorphism, in short, is to use the pointer of the parent type to an instance of its subclass, and then call the member function of the actual

C ++ virtual functions and virtual function table Parsing1. Definition of virtual functions A virtual function must be a non-static member function (and a non-constructor) of the class. Its access permission can be defined as private or proteceted,

The function of virtual function in C + + is mainly to realize the mechanism of polymorphism. In terms of polymorphism, in short, a pointer to the parent type points to an instance of its child class, and then invokes the member function of the

C + + virtual function table parsingChenhaoHttp://blog.csdn.net/haoelObjectiveThe function of virtual function in C + + is mainly to realize the mechanism of polymorphism. In terms of polymorphism, in short, a pointer to the parent type points to an

One, what is a virtual function (if you do not know what the virtual function is, but have an urgent need to know, then you should start from here)Simply put, those member functions that are modified by the virtual keyword are virtual functions. The

This article turns from Chenhao (left ear mouse) blog www.coolshell.com.The article was written a long time ago, last year was written in C + + was fortunate to read, and now think it is quite worth a turn, if there is a certain C + + foundation

A virtual function is associated with polymorphism, and polymorphism is associated with inheritance. So this article is on the inheritance level of the fuss. Without inheritance, nothing is to be talked about.The following is an understanding of the

Original link: 6934135The function of virtual function in C + + is mainly to realize the mechanism of polymorphism. In terms of polymorphism, in short, a pointer to the parent type points to an instance of its child class, and then invokes the

Preface The function of virtual function in C + + is mainly to realize the mechanism of polymorphism. In terms of polymorphism, in short, a pointer to the parent type points to an instance of its child class, and then invokes the member

ObjectiveThe function of virtual function in C + + is mainly to realize the mechanism of polymorphism. In terms of polymorphism, in short, a pointer to the parent type points to an instance of its child class, and then invokes the member function of