CPA - C++ Certified Associate Programmer CPA-21-02 Exam Dumps - Free Latest Dumps for IT Certification Exams

CPA – C++ Certified Associate Programmer CPA-21-02 Exam Dumps

dumps2024-01-05T09:49:26+08:00

CPA – C++ Certified Associate Programmer CPA-21-02 exam validates your ability to accomplish coding tasks related to the basics of programming in the C++ language and the fundamental notions and techniques used in object-oriented programming. In the real C++ Certified Associate Programmer CPA-21-02 exam, there are 40 Single-choice questions, and multiple-choice questions, and you have 65 minutes (exam) + approx. 10 minutes (Non-Disclosure Agreement/Tutorial) to complete the test. The required passing score is 70%. We have cracked the latest CPA-21-02 exam dumps for you to study. Free C++ Certified Associate Programmer CPA-21-02 exam dumps are below.

Page 1 of 8

1. What will the variable "age" be in class B?

class A {

int x;

protected:

int y;

public:

int age;

A () {age=5;};

};

class B: public A {

string name;

public:

B () {name="Bob";};

void Print () {

cout << name << age;

}

};

public

private

protected

None of these

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

#include <iostream>

#include <string>

using namespace std;

class complex{

double re, im;

public:

complex() : re(1),im(0.4) {}

complex operator?(complex &t);

void Print() { cout << re << " " << im; }

};

complex complex::operator? (complex &t){

complex temp;

temp.re = this?>re ? t.re;

temp.im = this?>im ? t.im;

return temp;

}

int main(){

complex c1, c2, c3;

c3 = c1 ? c2;

c3.Print();

}

It prints: 1 0.4

It prints: 2 0.8

It prints: 0 0

It prints: 1 0.8

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

#include <iostream>

using namespace std;

class complex{

double re;

double im;

public:

complex() : re(0),im(0) {}

complex(double x) { re=x,im=x;};

complex(double x,double y) { re=x,im=y;}

void print() { cout << re << " " << im;}

};

int main(){

complex c1;

c1 = 3.0;

c1.print();

return 0;

}

It prints: 0 0

It prints: 1 1

It prints: 3 3

Compilation error

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

#include <iostream>

using namespace std;

void fun(int);

int main()

{

int a=0;

fun(a);

return 0;

}

void fun(int n)

{

if(n < 2)

{

fun(++n);

cout << n;

}

}

It prints: 21

It prints: 012

It prints: 0

None of these

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

#include <iostream>

using namespace std;

int s(int n);

int main()

{

int a;

a = 3;

cout << s(a);

return 0;

}

int s(int n)

{

if(n == 0) return 1;

return s(n?1)*n;

}

It prints: 4

It prints: 6

It prints: 3

It prints: 0

6. What will be the output of the program?

#include <iostream>

using namespace std;

int fun(int);

int main()

{

cout << fun(5);

return 0;

}

int fun(int i)

{

return i*i;

}

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

#include <iostream>

using namespace std;

#define FUN(arg) if(arg) cout<<"Test";

int main()

{

int i=1;

FUN(i<3);

return 0;

}

It prints: 0

It prints: T

It prints: T0

It prints: Test

8. What will the variable "y" be in class B?

class A {

int x;

protected:

int y;

public:

int age;

};

class B: private A {

string name;

public:

void Print() {

cout << name << age;

}

};

public

private

protected

None of these

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

#include <iostream>

using namespace std;

int main()

{

float x=3.5, y=1.6;

int i,j=2;

i = x + j + y;

cout << i;

return 0;

}

It prints: 7

It prints: 6

It prints: 7,1

Compilation error

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

#include <iostream>

using namespace std;

int main(){

int i = 1;

if (i==1) {

cout << i;

} else {

cout << i-1;

}

return 0;

}

It prints: 0

It prints: 1

It prints: -1

It prints: 2

Page 2 of 8

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

#include <iostream>

#include <string>

using namespace std;

class complex{

double re, im;

public:

complex() : re(1),im(0.4) {}

complex operator+(complex &t);

void Print() { cout << re << " " << im; }

};

complex complex: operator+ (complex &t){

complex temp;

temp.re = this?>re + t.re;

temp.im = this?>im + t.im;

return temp;

}

int main(){

complex c1,c2,c3;

c3 = c1 + c2;

c3.Print();

}

It prints: 1 0.4

It prints: 2 0.8

It prints: 0 0

Garbage value

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

#include <cstdlib>

#include <iostream>

using namespace std;

float* sum(float a,float b);

float* sum(float a,float b)

{

float *f = new float;

*f = a+b;

return f;

}

int main()

{

float a,b,*f;

a = 1.5; b = 3.4;

f = sum(a,b);

cout<<*f;

return 0;

}

It prints: 0

It prints: 4.9

It prints: 5

It prints: 4

13. Which statement should be added in the following program to make work it correctly?

using namespace std;

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

{

cout<<"Hello";

}

#include<stdio.h>

#include<stdlib.h>

#include <iostream>

#include<conio.h>

14. What is the output of the program?

#include <iostream>

using namespace std;

int main()

{

int tab[4]={10,20,30,40};

tab[1]=10;

int *p;

p=&tab[0];

cout<<*p;

return 0;

}

It prints: 10

It prints: 20

It prints: 11

It prints: 30

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

#include <iostream>

using namespace std;

int fun(int x) {

return 2*x;

}

int main(){

int i;

i = fun(1) & fun(0);

cout << i;

return 0;

}

It prints: 0

It prints: 1

It prints: -1

Compilation error

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

#include <iostream>

using namespace std;

class A {

public:

virtual void Print()=0;

};

class B: public A {

public:

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

};

class C: public A {

public:

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

};

int main()

{

Bob2;

Cob3;

A*obj;

obj = &ob2;

obj?>Print();

obj = &ob3;

obj?>Print();

}

It prints: BC

It prints: CB

It prints: CC

It prints: BB

17. What will the variable "age" be in class B?

class A {

int x;

protected:

int y;

public:

int age;

};

class B: private A {

string name;

public:

void Print () {

cout << name << age;

}

};

public

private

protected

None of these

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

#include <iostream>

using namespace std;

int x=5;

static int y;

int i=0;

void static myFunction()

{

y=x++ + ++i;

}

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

{

x++;

myFunction();

cout<<y<<" "<<x<< " " << i;

}

Compilation fails

It prints: 5 5 0

It prints: 7 7 1

It prints: 6 5 1

19. 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;

};

2, 3

20. What is the output of the program?

#include <iostream>

#include <string>

using namespace std;

int main()

{

string s1="Wo";

string s2;

s2 = s1;

string s3;

s3 = s2.append("rldHello");

cout << s3;

return(0);

}

It prints: WorldHello

It prints: HelloWo

It prints: World

It prints: Hello

Page 3 of 8

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

#include <iostream>

using namespace std;

class complex{

double re;

double im;

public:

complex() : re(0),im(0) {}

complex(double x) { re=x,im=x;};

complex(double x,double y) { re=x,im=y;}

void print() { cout << re << " " << im;}

};

int main(){

complex c1(1,2);

c1.print();

return 0;

}

It prints: 1 0

It prints: 1 1

It prints: 1 2

Compilation error

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

#include <iostream>

using namespace std;

int fun(int x) {

return x<<2;

}

int main(){

int i;

i = fun(1) / 2;

cout << i;

return 0;

}

It prints: 0

It prints: 1

It prints: 2

It prints: 4

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

#include <iostream>

#include <string>

using namespace std;

class A {

int x;

protected:

int y;

public:

int z;

A() { x=1; y=2; z=3; }

};

class B: public A {

string z;

public:

void set() {

y = 4;

z = "John";

}

void Print() {

cout << y << z;

}

};

int main () {

B b;

b.set();

b.Print(); return 0;

}

It prints: 4John

It prints: 2John

It prints: 23

It prints: 43

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

#include <iostream>

#include <string>

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 () {

Bb1("Alan");

b1.Print();

return 0;

}

It prints: 111Alan

It prints: Bob

It prints: Alan

It prints: 0

25. What is the output of the program given below?

#include <iostream>

using namespace std;

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

{

int i=10;

{

int i=0;

cout<<i;

}

{

i=5;

cout << i;

}

cout<<i;

return 0;

}

1010

101010

055

None of these

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

#include <iostream>

using namespace std;

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

{

int x,y;

union t

{

char tab[2];

int i;

};

union t u;

u.tab[0] = 1;

u.tab[1] = 2;

u.i = 0;

x = u.tab[0];

y = u.tab[1];

cout << x << "," << y << "," << u.i;

return 0;

}

compilation fails

It prints: 0,0,0

It prints: 1,2,0

None of these

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

#include <iostream>

#include <string>

using namespace std;

class A {

protected:

int y;

public:

int x,z;

A() : x(1), y(2), z(0) { z = x + y; }

A(int a, int b) : x(a), y(b) { z = x + y;}

void Print() { cout << z; }

};

class B: public A {

public:

int y;

B() : A() {}

B(int a, int b) : A(a,b) {}

void Print() { cout << z; }

};

int main () {

A b;

b.Print();

return 0;

}

It prints: 3

It prints: 0

It prints: 1

It prints: 2

28. Which code, inserted at line 10, generates the output "Hello World"?

#include <iostream>

#include <string>

using namespace std;

string fun(string, string);

int main()

{

string s="Hello";

string *ps;

ps = &s;

//insert code here

return 0;

}

string fun(string s1, string s2)

{

return s1+s2;

}

cout << fun(" World");

cout << fun(*ps);

cout << fun("Hello");

cout << fun("Hello", " World");

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

#include <iostream>

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<<y<<" "<<x;

}

It prints: 0 5

It prints: 5 1

It prints: 1 5

It prints: 5 0

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

#include <iostream>

using namespace std;

class A {

public:

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

};

class B:public A {

public:

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

};

class C:public B {

public:

void Print(){ cout<< "C"; }

};

int main()

{

A ob1;

B ob2;

C ob3;

A *obj;

obj = &ob1;

obj?>Print();

obj = &ob2;

obj?>Print();

obj = &ob3;

obj?>Print();

}

It prints: BBB

It prints: AAA

It prints: ABC

It prints: ABB

Page 4 of 8

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

#include <iostream>

#include <string>

using namespace std;

class A {

public:

int x;

};

class B: public A {

public:

B() { x=1;}

B(int x) {this?>x = x;}

};

int main () {

B c1;

B c2(10);

cout << c1.x;

cout << c2.x;

return 0;

}

It prints: 010

It prints: 110

It prints: 00

It prints: 1

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

#include <iostream>

using namespace std;

void fun(char*);

int main()

{

char t[4]={'0', '1', '2', '3'};

fun(&t[2]);

return 0;

}

void fun(char *a)

{

cout << *a;

}

It prints: 2

It prints: 21

It prints: 00

It prints: 02

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

#include <iostream>

#include <string>

using namespace std;

class A {

public:

A() { cout << "A no parameters";}

A(string s) { cout << "A string parameter";}

A(A &a) { cout << "A object A parameter";}

};

class B: public A {

public:

B() { cout << "B no parameters";}

B(string s) { cout << "B string parameter";}

};

int main () {

A a2("Test");

B b1("Alan");

B b2(b1);

return 0;

}

It prints: A no parametersA no parametersB string parameter

It prints: A string parameterA no parametersB string parameterA object A parameter

It prints: A no parametersB string parameter

It prints: A no parametersA no parameters

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

#include <iostream>

#include <string>

using namespace std;

class A {

public:

string s;

A(string s) { this?>s = s; }

};

class B {

public:

string s;

B (A a) { this?>s = a.s; }

void print() { cout<<s; }

};

int main()

{

A a("Hello world");

B b=a;

b.print();

}

It prints: Hello world

It prints: Hello

Compilation error

None of these

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

#include <iostream>

using namespace std;

int op(int x, int y);

int main()

{

float *pf;

float f=0.9;

pf=&f;

cout << op(1, *pf);

return 0;

}

int op(int x, int y)

{

return x*y;

}

It prints: 0

It prints: 0.5

It prints: 1

It prints: ?1

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

#include <iostream>

#include <string>

using namespace std;

class First

{

string *s;

public:

First() { s = new string("Text");}

~First() { delete s;}

void Print(){ cout<<*s;}

};

int main()

{

First FirstObject;

FirstObject.Print();

FirstObject.~First();

}

It prints: Text

Compilation error

Runtime error.

None of these

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

#include <iostream>

using namespace std;

class A

{

public:

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

};

class B:public A

{

public:

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

};

int main()

{

A *obj;

A ob1; obj = &ob1; obj?>Print();

B ob2;

obj = &ob2;

obj?>Print();

}

It prints: AB

It prints: AA

It prints: BA

It prints: BB

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

#include <iostream>

#include <sstream>

#include <string>

using namespace std;

int main(void)

{

string s;

s = "Test";

s.resize (s.size() ? 1);

cout<<s<<" "<<s.size();

return 0;

}

It prints: Test 4

It prints: Test 3

Compilation error

It prints: Tes 3

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

#include <iostream>

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;

}

It prints: 210

It prints: 110

It prints: 010

Compilation error

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

#include <iostream>

#include <string>

using namespace std;

class A {

public:

A() { cout << "A no parameters";}

A(string s) { cout << "A string parameter";}

A(A &a) { cout << "A object A parameter";}

};

class B: public A {

public:

B() { cout << "B no parameters";}

B(string s) { cout << "B string parameter";}

B(int s) { cout << "B int parameter";}

};

int main () {

A a2("Test");

B b1(10);

B b2(b1);

return 0;

}

It prints: A no parametersA no parametersB string parameter

It prints: A string parameterA no parametersB int parameterA object A parameter

It prints: A no parametersB string parameter

It prints: A no parametersA no parameters

Page 5 of 8

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

#include <iostream>

using namespace std;

#include <iostream>

using namespace std;

class First

{

public:

void Print(){ cout<<"from First";}

};

int main()

{

First t[2];

for (int i=0; i<2; i++)

t[i].Print();

}

It prints: from First

It prints: from Firstfrom First

Compilation error

Runtime error.

42. What is the output of the program given below?

#include <iostream>

using namespace std;

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

{

int i=10;

{

int i=0;

cout<<i;

}

cout<<i;

return 0;

}

1010

100

010

None of these

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

#include <iostream>

#include <string>

using namespace std;

class A {

public:

int x;

A() { x=0;}

A(int x) { this?>x=x;}

};

class B: private A {

public:

using A:x;

B() { x=1;}

B(int x) {this?>x = x;}

};

int main () {

B c1;

B c2(?5);

cout << c1.x;

cout << c2.x;

return 0;

}

It prints: 5

It prints: 1?5

It prints: 05

It prints: 0

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

#include <iostream>

using namespace std;

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

{

int a = 30, b = 1, c = 5, i=10;

i = b < a < c;

cout << i;

return 0;

}

compilation fails

It prints: 10

It prints: 0

It prints: 1

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

#include <iostream>

#include <string>

using namespace std;

class B;

class A {

int age;

public:

A () { age=5; };

friend class B;

};

class B {

string name;

public:

B () { name="Bob"; };

void Print(A ob) {

cout << name << ob.age;

}

};

int main () {

A a;

B b;

b.Print(a);

return 0;

}

It prints: Bob5

It prints: Bob

It prints: 5

None of these

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

#include <iostream>

using namespace std;

int main(){

int i = 1;

if (--i==1) {

cout << i;

} else {

cout << i-1;

}

return 0;

}

It prints: 0

It prints: 1

It prints: -1

It prints: 2

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

#include <iostream>

using namespace std;

void fun(int &i);

int main()

{

int i=2;

fun(i);

cout<<i;

return 0;

}

void fun(int &i)

{

i+=2;

}

It prints: 2

It prints: 0

It prints: 4

It prints: 16

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

#include <iostream>

using namespace std;

int fun(int x);

int main() {

cout << fun(0);

return 0;

}

int fun(int x) {

if(x > 0)

return fun(x-1);

else

return 100;

}

It prints: 0

It prints: 10

It prints: 100

It prints: -1

49. What is the output of the program if character 2 is supplied as input?

#include <iostream>

using namespace std;

int main () {

int c;

cin >> c;

try

{

switch (c)

{

case 1:

throw 20;

case 2:

throw 5.2f;

}

}

catch (int e)

{ cout << "int exception. Exception Nr. " << e; }

catch (float e)

{ cout << "float exception. Exception Nr. " << e; } catch (...)

{ cout << "An exception occurred."; }

return 0;

}

It prints: float exception. Exception Nr.

It prints: int exception. Exception Nr. 20

It prints: An exception occurred

It prints: float exception. Exception Nr. 5.2

50. What is the output of the program if character 4 is supplied as input?

#include <iostream>

using namespace std;

int main () {

int c;

cin >> c;

try

{

switch (c)

{

case 1:

throw 20;

case 2:

throw 5.2f;

case 3:

throw 'a';

default:

cout<<"No exception";

}

}

catch (int e)

{ cout << "int exception. Exception Nr. " << e; }

catch (float e)

{ cout << "float exception. Exception Nr. " << e; }

catch (...)

{ cout << "An exception occurred."; }

return 0;

}

It prints: float exception. Exception Nr.

It prints: int exception. Exception Nr.

It prints: An exception occurred

It prints: No exception

Page 6 of 8

51. Which code, inserted at line 14, generates the output "3.14 10"?

#include <iostream>

using namespace std;

namespace myNamespace1

{

int x = 5;

int y = 10;

}

namespace myNamespace2

{

float x = 3.14;

float y = 1.5;

}

int main () {

//insert code here

cout << x << " " << y;

return 0;

}

using myNamespace2::y; using myNamespace1::x;

using namespace myNamespace1;

using namespace myNamespace1; using namespace myNamespace2;

using myNamespace1::y; using myNamespace2::x;

52. What is the output of the program?

#include <iostream>

#include <string>

using namespace std;

int main()

{

string s1[]= {"Hello" , "World" };

for (int i=0; i<2; i++) {

cout << s1[i];

}

return (0);

}

It prints: HelloWorld

It prints: Hello

It prints: WorldHello

It prints: World

53. Which code, inserted at line 8, generates the output "0102020"?

#include <iostream>

using namespace std;

class Base {

static int age;

public:

Base () {};

~Base () {};

//insert code here

void Print() { cout << age;}

};

int Base::age=0;

int main () {

Base a,*b;

b = new Base();

a.Print();

a.setAge(10);

a.Print();

b?>setAge();

a.Print();

b?>Print();

return 0;

}

void setAge(int a) {age = a;}

void setAge() {age = 20;}

void setAge() {age = 10;}

void setAge(int a=20) {age = a;}

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

#include <iostream>

using namespace std;

class First

{

public:

void Print(){ cout<<"from First";}

};

class Second

{

public:

void Print(){ cout<< "from Second";}

};

int main()

{

First FirstObject;

FirstObject.Print();

Second SecondObject;

SecondObject.Print();

}

It prints: from First

It prints: from Firstfrom First

It prints: from Firstfrom Second

It prints: from Secondfrom Second

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

#include <iostream>

using namespace std;

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

char *s = "ABCDEF";

cout << s+2;

return 0;

}

It prints: CDEF

It prints: ABCDEF

It prints: BCDEF

None of these

56. Which of the following can be checked in a switch? Case statement?

char

int

enum

double

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

#include <iostream>

#include <string>

using namespace std;

class A {

int x;

protected:

int y;

public:

int z;

};

class B: public A {

string name;

public:

void set() {

y = 2;

z = 3;

}

void Print() { cout << y << z; }

};

int main () {

B b;

b.set();

b.Print();

return 0;

}

It prints: 123

It prints: 000

It prints: 23

It prints: 12

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

#include <iostream>

using namespace std;

class A

{

public:

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

};

class B:public A

{

public:

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

};

int main()

{

A *obj;

A ob1;

obj = &ob1;

obj?>Print();

B ob2;

obj = &ob2;

obj?>Print();

}

It prints: AB

It prints: AA

It prints: BA

It prints: BB

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

#include <iostream>

#include <string>

using namespace std;

class A {

protected:

int y;

public:

int x;

int z;

A() { x=2; y=2; z=3; }

A(int a, int b) : x(a), y(b) { z = x ? y;}

void Print() {

cout << z;

}

};

int main () {

A a(2,5);

a.Print();

return 0;

}

It prints: ?3

It prints: 2

It prints: 6

It prints: 5

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

#include <iostream>

using namespace std;

void fun(int*);

int main()

{

int i=2;

fun(&i);

cout<<i;

return 0;

}

void fun(int *i)

{

*i = *i**i;

}

It prints: 1

It prints: 4

It prints: 10

It prints: 0

Page 7 of 8

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

#include <iostream>

using namespace std;

int main()

{

int x=2, *y;

y = &x;

cout << *y + x;

return 0;

}

It prints: 1

It prints: 2

It prints: 4

It prints: 0

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

#include <iostream>

using namespace std;

int main(){

int *i;

i = new int;

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

cout << *i;

return 0;

}

It prints: 0

It prints: 1

It prints: 2

It prints: 0.5

63. Which of the following statements are correct about an array?

int tab[10];

The array can store 10 elements.

The expression tab[1] designates the very first element in the array.

The expression tab[9] designates the last element in the array.

It is necessary to initialize the array at the time of declaration.

64. Which of the following is a logical operator?

65. How could you pass arguments to functions?

by value

by reference

by pointer

by void

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

#include <iostream>

using namespace std;

int main(){

int i, j;

for(i = 0, j = 1; j < 2, i < 4; i++, j++);

cout << i << " " << j;

return 0;

}

It prints: 4 5

It prints: 2 3

It prints: 3 2

It prints: 4 3

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

#include <iostream>

#include <cstdarg>

using namespace std;

int mult(int f, int s, int t);

int main()

{

cout << mult(1,2,3);

return 0;

}

int mult(int f, int s, int t)

{

int mult_res;

mult_res = f*s*t;

return mult_res;

}

It prints: 0

It prints: 6

It prints: 2

It prints: 3

68. Which code, inserted at line 5, generates the output "ABC"?

#include <iostream>

using namespace std;

class A {

public:

//insert code here

};

class B:public A {

public:

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

};

class C:public B {

public:

void Print(){ cout<< "C"; }

};

int main()

{

A ob1;

B ob2;

C ob3;

A *obj;

obj = &ob1;

obj?>Print();

obj = &ob2;

obj?>Print();

obj = &ob3;

obj?>Print();

}

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

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

virtual void Print(string s){ cout<<s;}

None of these

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

#include <iostream>

using namespace std;

class BaseClass

{

public:

int *ptr;

BaseClass(int i) { ptr = new int(i); }

~BaseClass() { delete ptr; delete ptr;}

void Print() { cout << *ptr; }

};

void fun(BaseClass x);

int main()

{

BaseClass o(10);

fun(o);

o.Print();

}

void fun(BaseClass x) {

cout << "Hello:";

}

It prints: Hello:1

It prints: Hello:

It prints: 10

Runtime error.

70. What will happen when you attempt to compile and run the following code?

#include <iostream>

using namespace std;

int getValue();

int main()

{

const int x = getValue();

cout<<x;

return 0;

}

int getValue()

{

return 5;

}

It will print 0

The code will not compile.

It will print 5

It will print garbage value

Page 8 of 8

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

#include <iostream>

#include <string>

using namespace std;

class A {

public:

A() { cout << "A0 ";}

A(string s) { cout << "A1";}

};

class B: public A {

public:

B() { cout << "B0 ";}

B(string s) { cout << "B1 ";}

};

class C: private B {

public:

C() { cout << "C0 ";}

C(string s) { cout << "C1 ";}

};

int main () {

B b1;

C c1;

return 0;

}

It prints: A0 B0 A0 B1 A0 C0 A0 C1

It prints: B0 B1 C0 C1

It prints: A0 B0 A0 B0 C0

It prints: B0 B1

72. What is the output of the program?

#include <iostream>

#include <string>

using namespace std;

struct Person {

int age;

};

class First

{

Person *person;

public:

First() {person = new Person;

person?>age = 20;

}

void Print(){

cout << person?>age;

}

};

int main()

{

First t[2];

for (int i=0; i<2; i++)

t[i].Print();

}

It prints: 10

It prints: 2020

It prints: 22

It prints: 00

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

#include <cstdlib>

#include <iostream>

using namespace std;

inline float sum(float a,float b)

{

return a+b;

}

int main()

{

float a,b;

a = 1.5; b = 3.4;

cout<<sum(a,b);

return 0;

}

It prints: 0

It prints: 4.9

It prints: 5

It prints: 4

74. What is the output of the program?

#include <iostream>

#include <string>

using namespace std;

int main()

{

string s1="Hello";

string s2="World";

s1+=s2;

cout << s1;

return (0);

}

It prints: HelloWorld

It prints: Hello

It prints: World

It prints: HelWorld

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

#include <iostream>

using namespace std;

#define DEF_A 0

#define DEF_B DEF_A+1

#define DEF_C DEF_B+1

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

cout << DEF_C;

return 0;

}

It prints: 2

It prints: 10

It prints: 0

It prints: 1

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

#include <iostream>

using namespace std;

void set(struct person*);

struct person

{

int age;

};

int main()

{

struct person e = {18};

set(&e);

cout<< e.age;

return 0;

}

void set(struct person *p)

{

p?>age = p?>age + 1;

}

It prints: 18

It prints: 19

It prints: 20

It prints: 0

77. Point out an error in the program.

#include <iostream>

using namespace std;

int main()

{

const int x=1;

int const *y=&x;

cout<<*y;

return 0;

}

No error

Error: unknown pointer conversion

cannot convert from 'const int *' to 'int *const'

Compilation error

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

#include <iostream>

using namespace std;

int main()

{

int i=2;

switch(i)

{

case 1:

cout<<"Hello";

case 2:

cout<<"world";

case 3:

cout<<"End";

}

return 0;

}

It prints: Hello

It prints: world

It prints: worldEnd

It prints: End

CPA – C++ Certified Associate Programmer CPA-21-02 Exam Dumps

CPA – C++ Certified Associate Programmer CPA-21-02 Exam Dumps

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