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c++classinheritancederived-classbase-class

Are base classes in inheritance copied to the derived class?

as the title says : are base classes in inheritance copied to the derived class I mean like #include the code from the base class is copied to the derived class or just an object from the base class is created and the children class just use is it at runtime ?

Solution

  • Are base classes in inheritance copied to the derived class?

    No, they aren't copied. They are intrinsically merged into the derived class.

    or just an object from the base class is created and the children class just use is it at runtime ?

    That concept describes it closest, but:

    No there's no object from the base class is created separately. An object of the derived class is created and completely includes it's base class features.