a2 virtual

1. Generic class without inheritance:In the case of a virtual function, the class adds a hidden member, a virtual function table pointer to a virtual function table, and the virtual function table is the address of each virtual function of the class.

1. Generic class without inheritance:In the case of a virtual function, the class adds a hidden member, a virtual function table pointer to a virtual function table, and the virtual function table is the address of each virtual function of the class.

  This article mainly tests the class size, including empty classes, static and non-static variables, virtual and non-virtual single inheritance and multi-inheritance classes, and class or object   Test whether the virtual table and virtual pointer

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C + + class because of the existence of inheritance is more complex than the C-era struct, especially when the virtual function, as well as the multi-inheritance, and so on, so that its memory layout becomes unrecognizable. I can not grasp the truth,

Knowledge points and experiments of Vmnet2 (NAT) network under Vmwere virtual machineEnvironment: Vmwareworkstation 10.0.3 build-1895310, physical machine Win7Function: Realize the communication between 3 hosts, can ping each other throughin the

When using vmware workstation to create a virtual machine, you can choose which virtual network card to use and which connection method to use as needed. There are three default types: vmnet0 (bridge network), vmnet1 (host network only), and vmnet8 (

Polymorphism: Inheritance is a way for subclasses to use the parent class, and polymorphism is the method by which the parent class uses subclasses. In C + +, there are two kinds of polymorphism, one is function overload, the other is virtual

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Prerequisites Summary: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.virtual function