GeeksforGeeks » C/C++ Programming Questions

C++: possible encapsulation failure

(2 posts)

  1. Amit
    guest
    Posted 1 year ago #

    Consider this program.

    #include <iostream>
using namespace std;

class Base {
public:
	virtual void foo() { cout << "Base foo()\n"; }
};

class Derived : public Base {
private:
	void foo() { cout << "Derived foo() \n"; }
};

int main()
{
 Base *bp;
 Derived d;
 bp = &d;
 bp->foo();
}

    Output: Derived foo()
    So it is possible to access a private data member this way.

  2. kartik
    Moderator
    Posted 1 year ago #

    nice finding :)


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