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C++ Certified Professional Programmer CPA Syllabus Exam Questions Answers

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Total 220 questions

C++ Certified Associate Programmer Questions and Answers

Question 13

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

#include

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;

}

Options:

A.

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

B.

void setAge() {age = 20;}

C.

void setAge() {age = 10;}

D.

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

Question 14

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

#include

#include

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;

}

Options:

A.

It prints: A no parametersA no parametersB string parameter

B.

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

C.

It prints: A no parametersB string parameter

D.

It prints: A no parametersA no parameters

Question 15

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

#include

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:";

}

Options:

A.

It prints: Hello:1

B.

It prints: Hello:

C.

It prints: 10

D.

Runtime error.

Question 16

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;

};

Options:

A.

1

B.

2

C.

3

D.

2, 3

Page: 4 / 8
Total 220 questions