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  4. CPA-21-02

C++ Institute CPA-21-02 Exam Prep
CPA - C++ Certified Associate Programmer (Page 8 )

Updated On: 28-Sep-2026
Page 8 of 53
PDF with 257 Questions

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;

}

  1. It prints: 010
  2. It prints: 110
  3. It prints: 00
  4. It prints: 1

Answer(s): B



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;

}

  1. It prints: 2
  2. It prints: 21
  3. It prints: 00
  4. It prints: 02

Answer(s): A



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;

}

  1. It prints: A no parametersA no parametersB string parameter
  2. It prints: A string parameterA no parametersB string parameterA object A parameter
  3. It prints: A no parametersB string parameter
  4. It prints: A no parametersA no parameters

Answer(s): B



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;

  1. print();
    }
  2. It prints: Hello world
  3. It prints: Hello
  4. Compilation error
  5. None of these

Answer(s): A



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;
}

  1. It prints: 0
  2. It prints: 0.5
  3. It prints: 1
  4. It prints: ?1

Answer(s): A



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Viewing questions 36 - 40 out of 257 questions


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