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What happens when you attempt to compile and run the following code?
#include
using namespace std;
class First
{
public:
First() { cout << "Constructor";}
void Print(){ cout<<"from First";}
};
int main()
{
First FirstObject;
FirstObject.Print();
}
Suggested Answer: C
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40 comments · newest first
TO
Tonette
11 months ago
I thought it would just print "Constructor."
NA
Nadine
11 months ago
Definitely not just "from First."
LA
Lavina
11 months ago
Wait, are you sure about that?
RA
Raylene
11 months ago
Totally agree, that's what happens!
DA
Darrin
11 months ago
It prints: Constructorfrom First
MO
Monte
12 months ago
I’m confused about the order. Does the Print function get called after the constructor? I think it might be A too, but I'm not completely certain.
AM
Amie
12 months ago
I practiced a similar question, and I feel like it should print both messages together. So, I guess it's A?
TA
Tammara
12 months ago
I'm not entirely sure, but I remember something about how the output might be combined. Maybe it prints "Constructorfrom First"?
MA
Malinda
1 year ago
I think the constructor gets called when the object is created, so it should print "Constructor" first.
CH
Chantell
1 year ago
This seems like a good opportunity to apply my knowledge of C++ object creation and method calls. I'll carefully walk through the code and the possible outputs to determine the right answer.
GA
Gary
1 year ago
I'm a little confused here. The question is asking what happens when we compile and run the code, but the options are about the output. I'll need to make sure I understand the difference between compiling, running, and the actual output.
RE
Rene
1 year ago
Okay, let me break this down. We create a First object, which calls the constructor and prints "Constructor". Then we call the Print() function, which should print "from First". I'm pretty confident that the answer is A.
KR
Kris
1 year ago
Hmm, I'm a bit unsure about this one. The constructor is being called, but I'm not sure if the Print() function will also be executed. I'll need to think this through step-by-step to make sure I understand what's happening.
VO
Vonda
1 year ago
This looks like a pretty straightforward C++ class and object creation question. I think I've got a good handle on this, so I'll carefully read through the code and options to determine the correct output.
BU
Bulah
1 year ago
Wow, this is a real brain-teaser, isn't it? I mean, who could have possibly predicted that creating an object and calling a function on it would do something? Truly, the mysteries of the universe are unfurling before us.
EL
Eliz
1 year ago
I don't know, man. Maybe the code is secretly a recipe for a really fancy omelette or something. I mean, 'Constructor' and 'First' could be the ingredients, right? Hmm, maybe I should just stick to multiple-choice questions about cats instead.
MI
Mireya
1 year ago
Alright, let's think this through. The code is creating an object of the First class, and then calling the Print() function on that object. Sounds pretty straightforward to me. I'm going with A, 'Constructor from First'.
MI
Micaela
1 year ago
Great, we all agree on the output: Constructor from First
MA
Martha
1 year ago
Yes, that's correct. It will print: Constructor from First
EN
Enola
1 year ago
I agree, it should print: Constructor from First
MA
Malcom
1 year ago
I think it prints: Constructor from First
WE
Wendell
1 year ago
This is a classic case of 'what the code says versus what the code does'. The correct answer is C, my dudes. The Print() function is being called on the FirstObject, so it should just print 'from First'.
WH
Whitley
1 year ago
C) It prints: from First
AR
Arlette
1 year ago
B) It prints: Constructor
AN
Annamae
1 year ago
A) It prints: Constructorfrom First
AV
Avery
1 year ago
Woah, hold on a second. What if the constructor is the only thing that gets called? I mean, it's not like the Print() function is being called on a specific object or anything. I think I'm gonna go with B just to be safe.
OZ
Ozell
1 year ago
Yeah, I'm leaning towards B as well
CH
Cherilyn
1 year ago
I agree, I also think it will print: Constructor
EL
Elise
1 year ago
I think it will print: Constructor
XU
Xuan
1 year ago
User 3: So, B is the correct answer then.
ST
Stephaine
1 year ago
User 2: Yeah, I agree with that. The constructor is the only thing being called.
EL
Ellsworth
1 year ago
User 1: I think it prints: Constructor
CA
Carmen
2 years ago
I'm not sure, but I think it prints: Constructorfrom First
DO
Dominque
2 years ago
I believe it prints: Constructor
AS
Ashlyn
2 years ago
I think it prints: Constructorfrom First
OM
Omer
2 years ago
Hmm, this looks like a tricky one. Let's see, the constructor is called, so it must print 'Constructor'. And then the Print() function is called, so it should print 'from First' as well. I'll go with A, it's gotta be the right answer.
VA
Val
1 year ago
A) It prints: Constructorfrom First
KA
Kaitlyn
1 year ago
Then the Print() function is called, so it should print 'from First'
BA
Barabara
1 year ago
I agree, the constructor is called first so it should print 'Constructor'
AN
Antonio
1 year ago
I think it prints: Constructorfrom First