C++ Institute CPP Exam - Topic 4 Question 47 Discussion

Actual exam question for C++ Institute's CPP exam

Question #: 47
Topic #: 4

[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() {}

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

T getV() { return _v; }

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

};

int main()

{

Aa("Hello");

string s(" world!");

a.add(s);

cout << a.getV() <

return 0;

}

Aprogram will display: Hello world!

Bprogram will not compile

Cprogram will display: Hello

Dprogram will run without any output

Show Suggested Answer

Suggested Answer: A

by Rima at May 07, 2022, 08:12 AM

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25%

5 months ago

Hmm, I'm not totally sure about this one. I know a micrometer and caliper are contact measurement tools, but I'm not 100% confident on the laser scanner. I'll have to think this through carefully.

upvoted 0 times

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I feel pretty confident that the answer is C. The question is specifically about participants in the context of Analysis and Review, so it's likely referring to the unique email addresses and names that come up in the search results.

upvoted 0 times

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Novella

5 months ago

I'm not completely sure, but I feel like I saw a question like this in practice where applying proven tech was emphasized.

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C++ Institute CPP Exam - Topic 4 Question 47 Discussion

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