virtual class definition

1. destructor and virtual destructorIf the destructor of the base class is virtual, The destructor of its derived class are virtual.This will cause: When the derived class destructor, all of its basic class destructor will be called.Otherwise, only

Introduction      has never written a conceptual article, because I think that these conceptual things are written in the books and are very detailed and useless, and today I have a whim to write, Here is a discussion of the virtual base class,

Virtual functions (virtual keyword) and polymorphism one: A pointer problem in inheritance. 1.      A pointer to a base class can point to a derived class object. When a base class pointer points to a derived class object, the pointer can only

Http://www.cnblogs.com/fly1988happy/archive/2012/09/25/2701237.html1. polymorphicIn object-oriented languages, many different implementations of interfaces are polymorphic. Polymorphism refers to an instance (object) of a child class with a pointer

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. 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

virtual function, pure virtual function, virtual base class, abstract class, virtual function inheritance, virtual inheritance Virtual functions: Virtual functions are the mechanisms used in C + + to implement polymorphism (polymorphism). The core

base class Class Shape {public : shape () { cout Sub Class Class Circle:public Shape {public : Circle () { cout class object vs class Pointer object of the class: Circle Circle;a pointer to a class: circle* p_circle =

1. Function Overloading The polymorphism supported by static Association is known as the Polymorphism or static polymorphism during compilation. That is to say, the process of determining the specific operation object of the same name operation is

Java Virtual Machine class loading mechanism-Reading Notes for a deep understanding of Java Virtual Machine The Class loading mechanism of java Virtual Machine loads Class files to the memory, verifies, converts, parses, and initializes the data in