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>
using namespace std;
class Test {
float i,j;
};
class Add {
public:
int x,y;
Add (int a=3, int b=3) { x=a; y=b; }
int result() { return x+y;}
};
int main () {
Test test;
Add * padd;
padd = &test;
cout << padd?>result();
return 0;
}
- A . It prints: 6
- B . It prints: 9
- C . Compilation error
- D . It prints: 33
What happens when you attempt to compile and run the following code?
#include <iostream>
using namespace std;
class BaseC
{
int *ptr;
public:
BaseC() { ptr = new int(10);}
BaseC(int i) { ptr = new int(i); }
~BaseC() { delete ptr; }
void Print() { cout << *ptr; }
};
int main()
{
BaseC *o = new BaseC(5);
o?>Print();
}
- A . It prints: 5
- B . It prints: 10
- C . It prints: 1
- D . It prints: 0
What will happen when you attempt to compile and run the following code?
#include <iostream>
using namespace std;
int main()
{
const char *s;
char str[] = "Hello ";
s = str;
while(*s) {
cout << *++s;
*s++;
}
return 0;
}
- A . It will print:"el "
- B . The code will not compile.
- C . It will print:"Hello "
- D . It will print garbage value
What happens when you attempt to compile and run the following code?
#include <iostream>
using namespace std;
class A {
public:
void print() {
cout << "A ";
}
};
class B {
public :
void print() {
cout << "B ";
}
};
int main() {
B sc[2];
A *bc = (A*)sc;
for (int i=0; i<2;i++)
(bc++)->print();
return 0;
}
- A . It prints: A A
- B . It prints: B B
- C . It prints: A B
- D . It prints: B A
What happens when you attempt to compile and run the following code?
#include <iostream>
using namespace std;
int main ()
{
int x,y=10;
float f;
f = 5.20;
x=(int) f;
cout << x <<", ";
f=float (y);
cout << f;
return 0;
}
- A . It prints: 5, 10
- B . It prints: 5.2, 10
- C . It prints: 5.20, 10.0
- D . It prints: 5.2, 10.00
What happens when you attempt to compile and run the following code?
#include <iostream>
using namespace std;
int op(int x, int y)
{
return x?y;
}
int op(int x, float y)
{
return x+y;
}
int main()
{
int i=1, j=2, k, l;
float f=0.23;
k = op(i, j);
l = op(j, f);
cout<< k << "," << l;
return 0;
}
- A . It prints: ?1,?1
- B . It prints: ?1,3
- C . It prints: ?1,2
- D . Compilation fails
Which of the following statements are correct?
- A . A function can be defined inside another function
- B . A function may have any number of return statements each returning different values.
- C . A function can return floating point value
- D . In a function two return statements should never occur.
Which code, inserted at line 15, generates the output "5 Bob"?
#include <iostream>
#include <string>
using namespace std;
class B;
class A {
int age;
public:
A () { age=5; };
friend void Print(A &ob, B &so);
};
class B {
string name;
public:
B () { name="Bob"; };
//insert code here
};
void Print(A &ob, B &so) {
cout<<ob.age << " " << so.name;
}
int main () {
A a;
B b;
Print(a,b);
return 0;
}
- A . friend void Print(A ob, B so);
- B . friend void Print(A &ob, B &so);
- C . friend void Print(A *ob, B *so);
- D . None of these
What is the output of the program if characters ‘t’, ‘e’, ‘s’ and ‘t’ enter are supplied as input?
#include <iostream>
#include <string>
using namespace std;
int main()
{
string s;
getline( cin, s );
cout << s << " " << s.length();
return (0);
}
- A . It prints: test 4
- B . It prints: test
- C . It prints: test 5
- D . It prints: 4
What happens if character 3 is entered as input?
#include <iostream>
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;
}
- A . It prints: object exception. Exception Nr. 5
- B . It prints: int exception. Exception Nr.
- C . It prints: An exception occurred
- D . It prints: No exception
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