C++ Institute CPA - C++ Certified Associate Programmer Exam

Page:    1 / 44   
Total 220 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;
}
};

  • A. public
  • B. private
  • C. protected
  • D. None of these


Answer : 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();
}

  • A. It prints: 1 0.4
  • B. It prints: 2 0.8
  • C. It prints: 0 0
  • D. It prints: 1 0.8


Answer : 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;
}

  • A. It prints: 0 0
  • B. It prints: 1 1
  • C. It prints: 3 3
  • D. Compilation error


Answer : 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;
}
}

  • A. It prints: 21
  • B. It prints: 012
  • C. It prints: 0
  • D. None of these


Answer : 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;
}

  • A. It prints: 4
  • B. It prints: 6
  • C. It prints: 3
  • D. It prints: 0


Answer : B

Page:    1 / 44   
Total 220 questions