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  1. Home
  2. Exams
  3. C++ Institute
  4. CPA-21-02

C++ Institute CPA-21-02 Exam Prep
CPA - C++ Certified Associate Programmer (Page 6 )

Updated On: 1-Oct-2026
Page 6 of 53
PDF with 257 Questions

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;
}

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

Answer(s): C



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;
}

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

Answer(s): C



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;

  1. set();
  2. Print();
    return 0;

    }
  3. It prints: 4John
  4. It prints: 2John
  5. It prints: 23
  6. It prints: 43

Answer(s): A



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 () {

B b1("Alan");
b1.Print();
return 0;
}

  1. It prints: 111Alan
  2. It prints: Bob
  3. It prints: Alan
  4. It prints: 0

Answer(s): C



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;
}

  1. 1010
  2. 101010
  3. 055
  4. None of these

Answer(s): C



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