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C++ Programming

Cpp Programming Quiz 138 – Which of the following can access private data members or member functions of a class?

Question: Which of the following can access private data members or member functions of a class?
[A]. Any function in the program.
[B]. All global functions in the program.[C]. Any member function of that class.
[D]. Only public member functions of that class.

Answer: Option C

Cpp Programming Quiz 138 – Which of the following can access private data members or member functions of a class? Read More »

Cpp Programming, Objects And Classes

Cpp Programming Quiz 139 – Which of the following two entities (reading from Left to Right) can be connected by the dot operator?

Question: Which of the following two entities (reading from Left to Right) can be connected by the dot operator?
[A]. A class member and a class object.
[B]. A class object and a class.[C]. A class and a member of that class.
[D]. A class object and a member of that class.

Answer: Option D

Cpp Programming Quiz 139 – Which of the following two entities (reading from Left to Right) can be connected by the dot operator? Read More »

Cpp Programming, Objects And Classes

Cpp Programming Quiz 141 – Which of the following statement is correct with respect to the use of friend keyword inside a class?

Question: Which of the following statement is correct with respect to the use of friend keyword inside a class?
[A]. A private data member can be declared as a friend.
[B]. A class may be declared as a friend.[C]. An object may be declared as a friend.
[D]. We can use friend keyword as a class name.

Answer: Option B

Cpp Programming Quiz 141 – Which of the following statement is correct with respect to the use of friend keyword inside a class? Read More »

Cpp Programming, Objects And Classes

Cpp Programming Quiz 144 – Which of the following statement is correct about the program given below?

Question: Which of the following statement is correct about the program given below?

#include
const double BixConstant(const int, const int = 0);
int main()
{
const int c = 2 ;
cout<< BixConstant(c, 10)<< " "; cout<< BixConstant(c, 20)<< endl; return 0; } const double BixConstant(const int x, const int y) { return( (y + (y * x) * x % y) * 0.2); }

[A].The program will print the output 2 4.
[B].The program will print the output 20 40.
[C].The program will print the output 10 20.
[D].The program will print the output 20 4.50.

Answer: Option A

Cpp Programming Quiz 144 – Which of the following statement is correct about the program given below? Read More »

Cpp Programming, Functions

Cpp Programming Quiz 145 – What will be the output of the following program?

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

#include
double BixFunction(double, double, double = 0, double = 0, double = 0);
int main()
{
double d = 2.3;
cout<< BixFunction(d, 7) << " "; cout<< BixFunction(d, 7, 6) << endl; return 0; } double BixFunction(double x, double p, double q, double r, double s) { return p +(q +(r + s * x)* x) * x; }

[A].7 20
[B].7 19.8
[C].7 Garbage
[D].7 20.8 

Answer: Option D

Cpp Programming Quiz 145 – What will be the output of the following program? Read More »

Cpp Programming, Functions

Cpp Programming Quiz 146 – What will be the output of the following program?

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

#include
class BaseCounter
{
protected:
long int count;

public:
void CountIt(int x, int y = 10, int z = 20)
{
count = 0;
cout<< x << " " << y << " " << z << endl; } BaseCounter() { count = 0; } BaseCounter(int x) { count = x ; } }; class DerivedCounter: public BaseCounter { public: DerivedCounter() { } DerivedCounter(int x): BaseCounter(x) { } }; int main() { DerivedCounter objDC(30); objDC.CountIt(40, 50); return 0; }

[A].30 10 20
[B].Garbage 10 20
[C].40 50 20
[D].20 40 50

Answer: Option C

Cpp Programming Quiz 146 – What will be the output of the following program? Read More »

Cpp Programming, Functions

Cpp Programming Quiz 147 – Which of the following statement is correct about the program given below?

Question: Which of the following statement is correct about the program given below?

#include
class BixArray
{
int array[3][3];
public:
BixArray(int arr[3][3] = NULL)
{
if(arr != NULL)
for(int i = 0; i < 3; i++) for(int j = 0; j < 3; j++) array[i][j] = i+j; } void Display(void) { for(int i = 0; i < 3; i++) for(int j = 0; j < 3; j++) cout<< array[i][j] << " "; } }; int main() { BixArray objBA; objBA.Display(); return 0; }

[A].The program will report error on compilation.
[B].The program will display 9 garbage values.
[C].The program will display NULL 9 times.
[D].The program will display 0 1 2 1 2 3 2 3 4.

Answer: Option B

Cpp Programming Quiz 147 – Which of the following statement is correct about the program given below? Read More »

Cpp Programming, Functions