Get C++ Institute CPA-21-02 Exam Practice Questions - Real and Updated

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

#include

using namespace std;

int main()

{

int i=2;

switch(i)

{

case 1:

cout<<"Hello";

case 2:

cout<<"world";

case 3:

cout<<"End";

} return 0;

}

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:

int *tab;

B() { tab = new int[size]; for (int i=0; i

B(string s) : A(s) { tab = new int[size]; for (int i=0; i

~B() { delete tab; }

void Print() {

for (int i=0; i

cout << name;

}

};

int main () {

B b1("Alan");

B b2;

b1.tab[0]=0;

b1.Print(); b2.Print();

return 0;

}

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

#include

using namespace std;

int main() {

float i = 1.0 / 2 * 2 / 1 * 2 / 4 * 4 / 2;

cout << i;

return 0;

}

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

#include

#include

using namespace std;

void fun(int i);

int main()

{

int i=0;

i++;

for (i=0; i<=5; i++)

{

fun(i);

}

return 0;

}

void fun(int i)

{

if (i==3)

return;

cout << i;

}

What is the output of the program if characters 'h', 'e', 'l', 'l' , 'o' and enter are supplied as input?

#include

#include

using namespace std;

void f();

int main()

{

f();

return 0;

}

void f()

{

char c;

c = cin.get();

cout << c;

if(c != '\n')

f();

}