C++ Institute CPA-21-02 Exam - Topic 1 Question 52 Discussion

Actual exam question for C++ Institute's CPA-21-02 exam

Question #: 52
Topic #: 1

[All CPA-21-02 Questions]

What happens when you attempt to compile and run the following code?

#include

using namespace std;

class A {

public:

int x;

A() { x=0;}

};

class B : public A {

public:

B() { x=1;}

};

class C : private B {

public:

C() { x=2;}

};

int main () {

C c1;

cout << c1.x;

return 0;

}

AIt prints: 210

BIt prints: 110

CIt prints: 010

DCompilation error

Show Suggested Answer

Suggested Answer: D

by Lino at Apr 09, 2026, 01:02 PM

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2 days ago

I remember something about private inheritance. I feel like that might prevent access to x in class C, which could lead to a compilation error.

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7 days ago

I think the code will compile, but I'm not sure what value will be printed. It seems like it should be 2 since C sets x to 2.

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