exam questions

Exam CPP All Questions

View all questions & answers for the CPP exam

Exam CPP topic 1 question 74 discussion

Actual exam question from C++ Institute's CPP
Question #: 74
Topic #: 1
[All CPP Questions]

What happens when you attempt to compile and run the following code?
#include <iostream>

using namespace std;

template <typename T>
class A {
T_v;
public:
A() {}
A(T v): _v(v){}
T getV() { return _v; }
void add(T a) { _v+=a; }
template <class U>
U get(U a) {
return (U)(_v);
}
};

int main()
{
A<int> a(1);
a.add(10);
cout.setf( ios::showpoint);
cout << a.getV() << " " << a.get(1.0)<<endl; return 0;
}

  • A. program will display: 11 11
  • B. program will not compile
  • C. program will display: 11.0000 11
  • D. program will display: 11 11.000
Show Suggested Answer Hide Answer
Suggested Answer: D 🗳️

Comments

Chosen Answer:
This is a voting comment (?). It is better to Upvote an existing comment if you don't have anything to add.
Switch to a voting comment New
Currently there are no comments in this discussion, be the first to comment!
Community vote distribution
A (35%)
C (25%)
B (20%)
Other
Most Voted
A voting comment increases the vote count for the chosen answer by one.

Upvoting a comment with a selected answer will also increase the vote count towards that answer by one. So if you see a comment that you already agree with, you can upvote it instead of posting a new comment.

SaveCancel
Loading ...