C++ Institute CPA-21-02 CPA - C++ Certified Associate Programmer Exam Practice Test

What is the output of the program?

#include

#include

using namespace std;

union t

{

char c;

int i;

};

class First

{

union t u;

public:

First() {

u.c = 'A';

}

void Print(){

cout << u.c;

}

};

int main()

{

First *t = new First();

t?>Print();

}

What happens when you attempt to compile and run the following code?

#include

using namespace std;

class A

{

public:

virtual void Print(){ cout<<"A";}

};

class B:public A

{

public:

virtual void Print(){ cout<< "B";}

};

int main()

{

A *obj;

A ob1;

obj = &ob1;

obj?>Print();

B ob2;

obj = &ob2;

obj?>Print();

}

What is not inherited from the base class?

What happens when you attempt to compile and run the following code?

#include

using namespace std;

int x=5;

static int y=0;

void myFunction(int a)

{

y=++a;

}

int main (int argc, const char * argv[])

{

int i=0;

myFunction(i);

cout<

}

What is the output of the program given below?

#include

using namespace std;

int main (int argc, const char * argv[])

{

float f=?10.501;

cout<<(int)f;

}

Which of the structures is incorrect?

1:

struct s1{

int x;

long int li;

};

2:

struct s2{

float f;

struct s2 *s;

};

3:

struct s3{

float f;

struct s3 s;

};

What happens when you attempt to compile and run the following code?

#include

#include

using namespace std;

const int size = 3;

class A {

public:

string name;

A() { name = "Bob";}

A(string s) { name = s;}

A(A &a) { name = a.name;}

};

class B : public A {

public:

B() { }

B(string s) : A(s) { }

void Print() {

cout << name;

}

};

int main () {

B b1("Alan");

b1.Print();

return 0;

}