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C++ Institute CPP Exam - Topic 9 Question 4 Discussion

What will happen when you attempt to compile and run the following code?#include using namespace std;class C {};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 b;Aa;a.add(C());cout
B) program will not compile
A) program will display:0
C) program will compile
D) program will cause runtime exception

C++ Institute CPP Exam - Topic 9 Question 4 Discussion

Actual exam question for C++ Institute's CPP exam
Question #: 4
Topic #: 9
[All CPP Questions]

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

#include

using namespace std;

class C {};

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 b;

Aa;

a.add(C());

cout << b.getV() <

return 0;

}

Show Suggested Answer Hide Answer
Suggested Answer: B

by Leatha at May 04, 2022, 02:31 PM

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Harley
9 months ago
Nope, it definitely won't compile.
upvoted 0 times
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Julio
9 months ago
I’m surprised it doesn’t compile, looks fine to me!
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Luis
9 months ago
Wait, I thought it would just display 0?
upvoted 0 times
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Shay
9 months ago
Totally agree, it’s a compilation error.
upvoted 0 times
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Marti
9 months ago
The program won't compile due to missing _v initialization.
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Callie
10 months ago
Hmm, I'm not totally sure about this one. I know differentiation is about creating unique products or services, but I'm not confident which organizational structure would work best for that. I'll have to think it through more.
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Tess
10 months ago
Hmm, I'm a bit unsure about this one. I know XSLT has different instructions for creating nodes, but I can't quite remember which one is used to create a new element. I'll have to think this through carefully.
upvoted 0 times
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Florinda
10 months ago
I distinctly remember something about modifying interfaces, but I can't tell if that's relevant to this question or another one I studied.
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Corrina
10 months ago
This looks like a pretty straightforward question. I'll carefully review each option and try to identify the one that's not a valid search string.
upvoted 0 times
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Jaclyn
10 months ago
I feel pretty confident about this one. Azure Service Bus Queue and Azure Service Bus Topic both provide the transactional support, duplicate detection, and unlimited message storage that the requirements call for. Those are the two technologies I'll select.
upvoted 0 times
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