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What is the output of the program?
#include
#include
using namespace std;
int main () {
string s1 = "Hello", s2 = "World";
s2 = s1 + s2;
cout << s2;
return 0;
}
Suggested Answer: B
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15 comments · newest first
FR
Francesco
1 month ago
So, B is the correct answer, right?
PE
Pedro
1 month ago
Exactly! "Hello" comes first.
CA
Carole
2 months ago
The output combines both strings.
FR
Francesco
2 months ago
I feel confused, but I agree with Carole.
PE
Pedro
2 months ago
Yeah, because s2 is assigned s1 + s2.
CA
Carole
2 months ago
I think it prints: HelloWorld.
SH
Sheridan
2 months ago
Just a simple string concatenation, nothing surprising here.
HI
Hillary
2 months ago
That's interesting, I didn't expect that output!
MY
My
3 months ago
Wait, are you sure? I thought it would be option C.
DU
Dustin
3 months ago
Totally agree, option B is correct!
GA
Gary
3 months ago
It prints: HelloWorld
MI
Mitzie
3 months ago
I practiced a question like this before, and I believe it concatenates the strings in the order they are written, so it should be "HelloWorld".
CA
Cassie
3 months ago
I feel like it could be "WorldHello" because s2 was originally "World" and then modified, but I’m confused about the order.
JA
Jame
3 months ago
I'm not entirely sure, but I remember something similar where string concatenation was involved. I think it might be option B.
ST
Stanford
4 months ago
I think the output will be "HelloWorld" since s2 is assigned the value of s1 + s2.