CPA-21-02 C++ Institute CPA - C++ Certified Associate Programmer Free Practice Exam Questions (2025 Updated)

What happens if character 3 is entered as input?

#include

using namespace std;

class A {

public:

int i;

};

int main () {

int c;

A obj;

obj.i = 5;

cin >> c;

try

{

switch (c)

{

case A. throw 20;

case B. throw 5.2f;

case C. throw obj;

default: cout<<"No exception";

}

}

catch (int e)

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

catch (A e)

{ cout << "object exception. Exception Nr. " << e.i; }

catch (...)

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

return 0;

}

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:

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

};

int main()

{

A *obj;

A ob1;

obj = &ob1;

obj?>Print();

B ob2;

obj = &ob2;

obj?>Print();

}

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

#include

#include

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();

}

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

#include

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();

}

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

#include

using namespace std;

int main(){

int i = 1;

if (--i==1) {

cout << i;

} else {

cout << i-1;

}

return 0;

}

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

#include

#include

#include

using namespace std;

int main(void)

{

string s;

s = "Test";

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

cout<

return 0;

}

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

#include

#include

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;

}

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

#include

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();

}

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

#include

#include

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;

}

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

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?

#include

#include

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();

}

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

#include

#include

using namespace std;

class A {

public:

int x;

A() { x=0;}

};

class B {

public:

int x;

B() { x=1;}

};

class C :public A, public B {

public:

int x;

C(int x) {

this?>x = x;

What is the output of the program given below?

#include

using namespace std;

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

{

int i=10;

{

int i=0;

cout<

}

{

int i=5;

cout << i;

}

cout<

return 0;

}

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

#include

#include

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();

}

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

#include

#include

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;

}

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

#include

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;

}

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

#include

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;

}

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

#include

using namespace std;

int fun(int x) {

return 2*x;

}

int main(){

int i;

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

cout << i;

return 0;

}