Cpp Programming

Question: What will be the output of the following program?

#include
class BixBase
{
public:
BixBase()
{
cout<< "Base OK. "; } virtual ~BixBase() { cout<< "Base DEL. "; } }; class BixDerived: public BixBase { public: BixDerived() { cout<< "Derived OK. "; } ~BixDerived() { cout<< "Derived DEL. "; } }; int main() { BixBase *basePtr = new BixDerived(); delete basePtr; return 0; }

[A].Base OK. Derived OK.
[B].Base OK. Derived OK. Base DEL.
[C].Base OK. Derived OK. Derived DEL.
[D].Base OK. Derived OK. Derived DEL. Base DEL.

Answer: Option D

Question: What will be the output of the following program?

#include
class BixBase
{
public:
BixBase()
{
cout<< "Base OK. "; } ~BixBase() { cout<< "Base DEL. "; } }; class BixDerived: public BixBase { public: BixDerived() { cout<< "Derived OK. "; } ~BixDerived() { cout<< "Derived DEL. "; } }; int main() { BixBase *basePtr = new BixDerived(); delete basePtr; return 0; }

[A].Base OK. Derived OK.
[B].Base OK. Derived OK. Base DEL.
[C].Base OK. Derived OK. Derived DEL.
[D].Base OK. Derived OK. Derived DEL. Base DEL.

Answer: Option B

[A]. Yes
[B]. No Answer: Option A

[A].Zero-argument Constructor
[B].Destructor
[C].Copy Constructor
[D].Copy DestructorAnswer: Option D

[A].call one-argument constructor of the class
[B].work without any problem
[C].call itself recursively[D].call zero-argument constructor

Answer: Option C

Question: How many default constructors per class are possible?
[A].Only one
[B].Two
[C].Three
[D].UnlimitedAnswer: Option A

 

Question: Copy constructor must receive its arguments by __________ .
[A].
either pass-by-value or pass-by-reference
[B].only pass-by-value
[C].

only pass-by-reference
[D].

only pass by address

Answer: Option C

Explanation:

No answer description available for this question.

Question: What will be the output of the following program?

[A].
3
[B].4
[C].

5
[D].

Garbage-value

Answer: Option B

Explanation:

No answer description available for this question.

Question: It is a __________ error to pass arguments to a destructor.
[A].
logical
[B].virtual
[C].

syntax
[D].

linker

Answer: Option C

Explanation:

No answer description available for this question.

Question: Which of the following cannot be declared as virtual?
[A].
Constructor
[B].Destructor
[C].

Data Members
[D].

Both A and C

Answer: Option D

Explanation:

No answer description available for this question.