C++ Institute Exam CPP Topic 8 Question 80 Discussion

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

Question #: 80
Topic #: 8

[All CPP Questions]

What happens 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);

void add(string & a);

};

template

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

void A::add(string & a) {

_v.insert(0, a);

}

int main()

{

Aa("Hello");

string s(" world!");

a.add(s);

cout << a.getV() <

return 0;

}

Aprogram will display: Hello world!

Bcompilation error

Cprogram will display: world!Hello

Dprogram will run without any output

Show Suggested Answer

Suggested Answer: B

by Blair at Mar 20, 2024, 11:04 AM

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Rolf

5 months ago

I don't think there will be a compilation error since the syntax seems correct

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Nickie

6 months ago

But what if there's a compilation error? That's also a possibility, right?

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Alexis

6 months ago

I agree, because the code looks like it will insert 'world!' in front of 'Hello'

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Rosann

6 months ago

I think the program will display: Hello world!

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Annmarie

6 months ago

I think the program will display: world!Hello

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Hannah

6 months ago

I think the correct answer is: Hello world!

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Edna

7 months ago

I'm not sure, but I think it will display: Hello world!

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Rashida

7 months ago

I believe it will result in a compilation error

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Sharan

7 months ago

I think it will display: Hello world!

upvoted 0 times

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