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Asked: 2026-05-26T23:58:39+00:00

I have a class A, which have a field val declared as private. I

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I have a class A, which have a field val declared as private.
I want to declare a class B, that inherit from A and have an access to val.
Is there a way to do it on C++?

I want to do it because I need to overload some functions of A, without changing A code at all.

Thanks.

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  1. Editorial Team

    Quick answer: You don’t. Thats what the protected key-word is for, which you want to use if you want to grant access to subclasses but no-one else.

    private means that no-one has access to those variables, not even subclasses.

    If you cannot change code in A at all, maybe there is a public/protected access method for that variable. Otherwise these variables are not meant to be accessed from subclasses and only hacks can help (which I don’t encourage!).

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