Very detailed! Reprint LinkConversion of C + + base classes to derived classesIn public inheritance, private inheritance, and protection inheritance, only public inheritance preserves the characteristics of the base class well, preserving all
C + + base class and derived class conversionsIn public inheritance, in private inheritance and protection inheritance, only public inheritance can preserve the characteristics of the base class, it retains all members of the base class except
4.5 Assignment compatibility relationship between a base class and a derived class objectUnder certain conditions, type conversions can be made between different types of data, such as the ability to assign integer data to a double type
C # base and this
-- From Rocky Ren
2. Basic Concepts
Base and this are attributed to access keywords in C #. As the name suggests, they are used to implement access operations of the Inheritance Mechanism to satisfy access to object members, this
1. member functions that cannot be automatically inherited
Constructor (including copy constructor)
Destructor= Operator
Ii. Inheritance and constructor
The constructor of the base class is not inherited. You must declare your own constructor In
I finally figured out the problem, why didn't the Cellid of the WCDMA base station obtained by Google map mobile edition, MobileTrack, and FieldTest of network optimization be the CellTrack91 or the number in the base station table... This problem
C + + notes: Derived classes to base class conversions to accessibility
to determine whether a conversion to a base class is accessible, you can consider whether the public member of the base class is accessible and, if so, that the conversion is
Review the knowledge of C + + today, when see the virtual base class this time, there is no too much to investigate, is to know that the virtual base class is to eliminate the class inheritance between the two semantic problem, but is very curious,
There is an assignment-compatible relationship between the base class and the derived class object, because the derived class contains members that inherit from the base class, in the following respects, the required friend can refer to the only
Generally, to achieve polymorphism, we direct the pointer or reference of the base class to the object of the derived class. When you need to use the special method of the derived class object, you can convert the base class pointer to the pointer
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