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;

class A {

public:

int x;

A() { x=0;}

};

class B : public A {

public:

B() { x=1;}

};

class C : private B {

public:

C() { x=2;}

};

int main () {

C c1;

cout << c1.x;

return 0;

}

Which of the following is a logical operator?

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();

}

How many times will the program print "HELLO" ?

#include

using namespace std;

int main()

{

cout<<"HELLO";

main();

return 0;

}

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";

break;

case 2:

cout<<"world";

break;

case 3:

printf("End");

break;

}

return 0;

}