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C++ Institute Exam CPA Topic 6 Question 94 Discussion

Actual exam question for C++ Institute's CPA exam
Question #: 94
Topic #: 6
[All CPA Questions]

What is the output of the program?

#include

#include

using namespace std;

int main()

{

string s1="Wo";

string s2;

s2 = s1;

string s3;

s3 = s2.append("rldHello");

cout << s3;

return( 0 );

}

Show Suggested Answer Hide Answer
Suggested Answer: B

by Wilson at Aug 03, 2024, 07:54 PM

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Aide
8 months ago
Ooh, this is a good one. The output will be '132' because that's the order of the enum values we assigned.
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Simona
7 months ago
Great, I understand now. Thanks for explaining!
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Aileen
7 months ago
Yes, you're right. The output will be '132' in this case.
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Sharen
7 months ago
I think it will print '132' because that's the order of the enum values we assigned.
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Adell
8 months ago
Haha, I can totally see someone accidentally typing '123' and thinking it's the right answer. Nice try, tricky question!
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Tamie
8 months ago
Wait, why is there an s4 variable? That's not defined in the enum! This should throw a compilation error.
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Maybelle
7 months ago
So, the output will be a compilation error for sure.
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Hector
7 months ago
Yeah, the code won't compile because s4 is not part of the enum.
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Stephen
7 months ago
I think the correct answer is B) compilation error.
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Sueann
8 months ago
You're right, s4 is not defined in the enum. It will definitely throw a compilation error.
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Gregoria
8 months ago
I think it will print '132'.
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Val
8 months ago
I think it will print '021'.
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Whitney
9 months ago
I believe there will be a compilation error.
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Lea
9 months ago
I think it will print '123'.
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Truman
9 months ago
This is a simple enum example, the output should be '021' as the enum values are printed directly.
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Desmond
8 months ago
Yes, that's correct. It's a simple example of using enums in C++.
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Desmond
8 months ago
Oh, I see. So the enum values are printed directly.
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Desmond
8 months ago
It will print: '021'
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