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C++ Institute CPP Exam - Topic 7 Question 26 Discussion

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

C++ Institute CPP Exam - Topic 7 Question 26 Discussion

Actual exam question for C++ Institute's CPP exam
Question #: 26
Topic #: 7
[All CPP Questions]

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

#include

using namespace std;

template

class A {

T_v;

public:

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

T getV() { return _v; }

};

int main()

{

A a(1);

cout << a.getV() <

return 0;

}

Show Suggested Answer Hide Answer
Suggested Answer: B

by Thaddeus at May 06, 2022, 12:59 AM

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Judy
7 months ago
So, is this a common mistake in C++?
upvoted 0 times
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Candida
7 months ago
Yeah, the typedef keyword is misplaced.
upvoted 0 times
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Mitsue
7 months ago
Wait, I thought templates were supposed to work like that?
upvoted 0 times
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Tashia
8 months ago
Totally agree, there's a syntax error in the template.
upvoted 0 times
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Allene
8 months ago
The program will not compile.
upvoted 0 times
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Lorenza
8 months ago
Hmm, I'm a bit unsure about this one. I'll need to think through the different data sources that could be relevant for this type of analysis.
upvoted 0 times
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Louisa
8 months ago
Alright, I'm feeling pretty confident about this one. The contribution margin is 12,000, and the overheads that can be eliminated are 23,000 - 4,000 = 19,000. So the net impact would be a decrease of 19,000 - 12,000 = 7,000 in operating income. The answer is B.
upvoted 0 times
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