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Interview Questions on C++ 11 Features : (10)

Question: 1

What is the correct syntax for lambda expression in C++11?

(A) [capture](parameters)->return-type {body}
(B) [parameters](capture)->return-type {body}
(C) [capture][parameters]->return-type {body}
(D) (capture)(parameters)->return-type {body}

Compiler
Level: Expert Category: cpp11
[Posted by: Admin | Chicago, USA]

Question: 2

Does below code compiles successfully on C++11?

class C
{
 int a=7;

 public:
        C();
};

(A) Yes
(B) No

Compiler
Level: Expert Category: cpp11
[Posted by: Admin | Chicago, USA]

Question: 3

What do you understand from lexical analysis?

(A) Checking the Grammar
(B) Finding the type of names and expressions
(C) Making up tokens from characters
(D) None of these

Compiler
Level: Beginner Category: cpp11
[Posted by: | Chicago, USA]

Question: 4

In C++11 which data type is newly introduced among these?

(A) long
(B) long int
(C) longs long
(D) long long

Compiler
Level: Beginner Category: cpp11
[Posted by: | Chicago, USA]

Question: 5

Which keyword in C++ 11 is used to prevent a virtual function from being overridden?

(A) final
(B) static
(C) stop
(D) friend

Compiler
Level: Beginner Category: cpp11
[Posted by: | Chicago, USA]

Question: 6

C++ 11 introduces a new keyword. Find out that keyword.

(A) pragma
(B) override
(C) wchar_t
(D) mutable

Compiler
Level: Practitioner Category: cpp11
[Posted by: Admin | Chicago, USA]

Question: 7

Which one is correct syntax to use C++11 features while compilation?

(A) g++ -std=c++-11 -o output.out source.cpp
(B) g++ -std=c++11 -o output.out source.cpp
(C) g++ -std=c++ 11 -o output.out source.cpp
(D) g++ -std=cpp11 -o output.out source.cpp

Compiler
Level: Expert Category: cpp11
[Posted by: Admin | Chicago, USA]

Question: 8

Is below program of C++ 11 valid & runs without compilation error?
#include <vector>
#include <iostream>
#include <algorithm>
using namespace std;

void print_square(int i)
{
 cout << i*i << endl;
}
int main()
{
 vector<int> v;
 // vector gets filled
 for_each(v.begin(), v.end(), print_square);
 return 0;
}

(A) Yes
(B) No
(C) Depends on Compiler

Compiler
Level: Expert Category: cpp11
[Posted by: Admin | Chicago, USA]

Question: 9

Is this valid C++ 11 program & get compiled without any error?

#include <vector>
#include <iostream>
#include <algorithm>
using namespace std;

int main() {

vector<int> v;
// vector gets filled

for_each(v.begin(), v.end(),
[](int i) { cout << i*i << endl; } );

return 0;
}

(A) Yes
(B) No

Compiler
Level: Expert Category: cpp11
[Posted by: Admin | Chicago, USA]

Question: 10

Correct syntax for creating a thread using Function Pointer?
thread_function is the name of function which need to be executed
in separate thread.

(A) std::thread threadObj(thread_function);
(B) std::thread threadObj(&thread_function);
(C) std::thread threadObj((void *)thread_function);
(D) std::thread threadObj(thread_function());

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Interview Questions on C++ 11 Features : (10)

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