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C++ Institute CPP Exam - Topic 8 Question 125 Discussion

What will happen when you attempt to compile and run the following code? Choose all possible answers.#include using namespace std;class B {};template class A {T_v;public:A() {}A(T v): _v(v){}T getV() { return _v; }void add(T a) { _v+=a; }};int main(){A a(1);Ab;a.add(10);cout
A) program will display:11 and C) program will compile
B) program will not compile
D) program will cause runtime exception

C++ Institute CPP Exam - Topic 8 Question 125 Discussion

Actual exam question for C++ Institute's CPP exam
Question #: 125
Topic #: 8
[All CPP Questions]

What will happen when you attempt to compile and run the following code? Choose all possible answers.

#include

using namespace std;

class B {};

template

class A {

T_v;

public:

A() {}

A(T v): _v(v){}

T getV() { return _v; }

void add(T a) { _v+=a; }

};

int main()

{

A a(1);

Ab;

a.add(10);

cout << a.getV() <

return 0;

}

Show Suggested Answer Hide Answer
Suggested Answer: A, C

Contribute your Thoughts:

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Michal
4 days ago
It should display 11 after adding 10.
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Fanny
9 days ago
Wait, what's up with T_v? Is that a typo?
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Irving
14 days ago
I think it will compile just fine.
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Becky
19 days ago
Program will not compile.
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Roxanne
24 days ago
I feel like the program should run fine and display 11, but I can't shake the feeling that there's something wrong with the class B definition.
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Vincenza
29 days ago
I practiced a similar question where a template had an issue with a missing member variable. I wonder if that's what's happening here too.
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Malcolm
1 month ago
I remember something about templates needing to be defined correctly, so I'm leaning towards option B, that it won't compile.
upvoted 0 times
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Fernanda
1 month ago
I think the program will compile, but I'm not entirely sure about the template syntax.
upvoted 0 times
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