C++ Certified Associate Programmer: CPA

What will happen when you attempt to compile and run the following code? #include

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

using namespace std;

int main()

{

union un

{

int x;

char c;

};

union un u1 = {10};

union un u2 = {'a'};

union un u3 = {20, 'a'};

cout<

cout<

cout<

return 0;

}

A. It prints: 10aa

B. It prints: 10a20a

C. It prints: 1a

D. Compilation error

What happens when you attempt to compile and run the following code?

#include

using namespace std;

class First

{

public:

First() { cout << "Constructor";}

~First() { cout << "Destructor";}

void Print(){ cout<<"from First";}

};

int main()

{

First FirstObject;

FirstObject.Print();

}

A. It prints: Constructorfrom First

B. It prints: Constructorfrom FirstDestructor

C. It prints: Constructorfrom FirstDestructorDestructor

D. Compilation error at line 16