C++ Institute CPA-21-02 CPA – C++ Certified Associate Programmer Online Training
C++ Institute CPA-21-02 Online Training
The questions for CPA-21-02 were last updated at Jul 17,2025.
- Exam Code: CPA-21-02
- Exam Name: CPA – C++ Certified Associate Programmer
- Certification Provider: C++ Institute
- Latest update: Jul 17,2025
What happens when you attempt to compile and run the following code?
#include <iostream>
#include <string>
using namespace std;
class A {
public:
A() { cout << "A0 ";}
A(string s) { cout << "A1";}
};
class B: public A {
public:
B() { cout << "B0 ";}
B(string s) { cout << "B1 ";}
};
class C: private B {
public:
C() { cout << "C0 ";}
C(string s) { cout << "C1 ";}
};
int main () {
B b1;
C c1;
return 0;
}
- A . It prints: A0 B0 A0 B1 A0 C0 A0 C1
- B . It prints: B0 B1 C0 C1
- C . It prints: A0 B0 A0 B0 C0
- D . It prints: B0 B1
What is the output of the program?
#include <iostream>
#include <string>
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();
}
- A . It prints: 10
- B . It prints: 2020
- C . It prints: 22
- D . It prints: 00
What happens when you attempt to compile and run the following code?
#include <cstdlib>
#include <iostream>
using namespace std;
inline float sum(float a,float b)
{
return a+b;
}
int main()
{
float a,b;
a = 1.5; b = 3.4;
cout<<sum(a,b);
return 0;
}
- A . It prints: 0
- B . It prints: 4.9
- C . It prints: 5
- D . It prints: 4
What is the output of the program?
#include <iostream>
#include <string>
using namespace std;
int main()
{
string s1="Hello";
string s2="World";
s1+=s2;
cout << s1;
return (0);
}
- A . It prints: HelloWorld
- B . It prints: Hello
- C . It prints: World
- D . It prints: HelWorld
What happens when you attempt to compile and run the following code?
#include <iostream>
using namespace std;
#define DEF_A 0
#define DEF_B DEF_A+1
#define DEF_C DEF_B+1
int main(int argc, char *argv[]) {
cout << DEF_C;
return 0;
}
- A . It prints: 2
- B . It prints: 10
- C . It prints: 0
- D . It prints: 1
What happens when you attempt to compile and run the following code?
#include <iostream>
using namespace std;
void set(struct person*);
struct person
{
int age;
};
int main()
{
struct person e = {18};
set(&e);
cout<< e.age;
return 0;
}
void set(struct person *p)
{
p?>age = p?>age + 1;
}
- A . It prints: 18
- B . It prints: 19
- C . It prints: 20
- D . It prints: 0
Point out an error in the program.
#include <iostream>
using namespace std;
int main()
{
const int x=1;
int const *y=&x;
cout<<*y;
return 0;
}
- A . No error
- B . Error: unknown pointer conversion
- C . cannot convert from ‘const int *’ to ‘int *const’
- D . Compilation error
What happens when you attempt to compile and run the following code?
#include <iostream>
using namespace std;
int main()
{
int i=2;
switch(i)
{
case 1:
cout<<"Hello";
case 2:
cout<<"world";
case 3:
cout<<"End";
}
return 0;
}
- A . It prints: Hello
- B . It prints: world
- C . It prints: worldEnd
- D . It prints: End
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;
double i=2;
c1 = i;
c1.print();
return 0;
}
- A . It prints: 0 0
- B . It prints: 1 1
- C . It prints: 2 0
- D . It prints: 2 2
What happens when you attempt to compile and run the following code?
#include <iostream>
#include <string>
using namespace std;
int f(int i, int b);
int main()
{
int i=0;
i++;
for (i=0; i<=2; i++)
{
cout<<f(0,i);
}
return 0;
}
int f(int a, int b)
{
return a+b;
}
- A . It prints: 202020
- B . It prints: 012
- C . It prints: 0
- D . It prints: 2
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