C++ Certified Associate Programmer (CPA) - CPPL

What will the variable "age" be in class B?<br />
class A {<br />
int x;<br />
protected:<br />
int y;<br />
public:<br />
int age;<br />
A () { age=5; };<br />
};<br />
class B : public A {<br />
string name;<br />
public:<br />
B () { name="Bob"; };<br />
void Print() {<br />
cout << name << age;<br />
}<br />
};

What happens when you attempt to compile and run the following code? #include <iostream> #include <string><br />
using namespace std;<br />
class complex{<br />
double re, im;<br />
public:<br />
complex() : re(1),im(0.4) {}<br />
complex operator?(complex &t);<br />
void Print() { cout << re << " " << im; }<br />
};<br />
complex complex::operator? (complex &t){<br />
complex temp;<br />
temp.re = this?>re ? t.re;<br />
temp.im = this?>im ? t.im;<br />
return temp;<br />
}<br />
int main(){<br />
complex c1,c2,c3;<br />
c3 = c1 ? c2;<br />
c3.Print();<br />
}

What happens when you attempt to compile and run the following code? #include <iostream><br />
using namespace std;<br />
class complex{<br />
double re;<br />
double im;<br />
public:<br />
complex() : re(0),im(0) {}<br />
complex(double<br />
<br />
x) { re=x,im=x;};<br />
complex(double x,double<br />
<br />
y) { re=x,im=y;}<br />
void print() { cout << re << " " << im;}<br />
};<br />
int main(){<br />
complex c1;<br />
c1 = 3.0;<br />
c1.print();<br />
return 0;<br />
}

What happens when you attempt to compile and run the following code? #include <iostream><br />
using namespace std;<br />
void fun(int);<br />
int main()<br />
{<br />
int a=0;<br />
fun(a);<br />
return 0;<br />
}<br />
void fun(int n)<br />
{<br />
if(n < 2)<br />
{<br />
fun(++n);<br />
cout << n;<br />
}<br />
}

What happens when you attempt to compile and run the following code? #include <iostream><br />
using namespace std;<br />
int s(int n);<br />
int main()<br />
{<br />
int a;<br />
a = 3;<br />
cout << s(a);<br />
return 0;<br />
}<br />
int s(int n)<br />
{<br />
if(n == 0) return 1;<br />
return s(n?1)*n;<br />
}