Free CPA-21-02 Exam Braindumps (page: 20)

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;
}

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;
}

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;
}

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;
}