Free C++ Institute CPA-21-02 Exam Dumps Questions & Answers

What happens when you attempt to compile and run the following code?
#include <iostream>
using namespace std;
int main()
{
int i=5;
switch(i)
{
case 1:
cout<<"Hello";
break;
case 2:
cout<<"world";
break;
case 3:
break;
default:
cout<<"End";
}
return 0;
}

• A.It prints: Hello
• B.It prints: world
• C.It prints: Helloworld
• D.It prints: End

Which code, inserted at line 12, generates the output "5b"?
#include <iostream>
using namespace std;
namespace myNamespace1
{
int var = 5;
}
namespace myNamespace2
{
char var = 'b';
}
int main () {
//insert code here
return 0;
}

• A.cout << myNamespace1::var << myNamespace2::var;
• B.None of these
• C.cout << myNamespace1::var << var;
• D.cout << var << var;

What happens when you attempt to compile and run the following code?
#include <iostream>
#include <string>
using namespace std;
void fun(int i);
int main()
{
int i=0;
i++;
for (i=0; i<=5; i++)
{
fun(i);
}
return 0;
}
void fun(int i)
{
if (i==3)
return;
cout << i;
}

• A.It prints: 0
• B.It prints: 012345
• C.It prints: 01245
• D.It prints: 05

What happens when you attempt to compile and run the following code?
#include <iostream>
using namespace std;
void print(char *c);
int main (int argc, const char * argv[])
{
print("Test");
return 0;
}
void print(char *c)
{
cout<<c;
}

• A.It prints: Test
• B.None of these
• C.It prints: T
• D.It prints: st

What happens when you attempt to compile and run the following code?
#include <iostream>
using namespace std;
int main()
{
int x=2, *y, z=3;
y = &z;
cout<<x**y*x***y;
return 0;
}

• A.It prints: 16
• B.It prints: 14
• C.Compilation error
• D.It prints: 36