Free CPA-21-02 Exam Braindumps (page: 7)

What is the output of the program given below?

#include <iostream>

using namespace std;

int main (int argc, const char * argv[])
{
int i=10;
{
int i=0;
cout<<i;
}
{
i=5;
cout << i;
}
cout<<i;
return 0;
}

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

#include <iostream>

using namespace std;

int main (int argc, const char * argv[])
{
int x,y;
union t
{
char tab[2];

int i;
};
union t u;

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

#include <iostream>
#include <string>
using namespace std;

class A {
protected:
int y;
public:
int x,z;
A() : x(1), y(2), z(0) { z = x + y; }
A(int a, int b) : x(a), y(b) { z = x + y;}

void Print() { cout << z; }
};

class B : public A {
public:
int y;
B() : A() {}
B(int a, int b) : A(a,b) {}
void Print() { cout << z; }
};

int main () {
A b;

Which code, inserted at line 10, generates the output "Hello World"?

#include <iostream>
#include <string>
using namespace std;
string fun(string, string);
int main()
{
string s="Hello";
string *ps;
ps = &s;
//insert code here return 0;
}

string fun(string s1, string s2)
{
return s1+s2;

}