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  1. Home
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  4. CPA-21-02

C++ Institute CPA-21-02 Exam Prep
CPA - C++ Certified Associate Programmer (Page 2 )

Updated On: 27-Sep-2026
Page 2 of 53
PDF with 257 Questions

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;
}
};

  1. public
  2. private
  3. protected
  4. None of these

Answer(s): A



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();
}

  1. It prints: 1 0.4
  2. It prints: 2 0.8
  3. It prints: 0 0
  4. It prints: 1 0.8

Answer(s): C



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;
}

  1. It prints: 0 0
  2. It prints: 1 1
  3. It prints: 3 3
  4. Compilation error

Answer(s): C



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;
}
}

  1. It prints: 21
  2. It prints: 012
  3. It prints: 0
  4. None of these

Answer(s): A



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;
}

  1. It prints: 4
  2. It prints: 6
  3. It prints: 3
  4. It prints: 0

Answer(s): B



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