Which keyword is used to access the variable in namespace?
What is the output of this program?
1.
#include
2.
using namespace std;
3.
namespace extra
4.
{
5.
int i;
6.
}
7.
void i()
8.
{
9.
using namespace extra;
10.
int i;
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i = 9;
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cout << i;
13.
}
14.
int main()
15.
{
16.
enum letter { i, j};
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class i { letter j; };
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::i();
19.
return 0;
20.
}
What is the output of this program?
1.
#include
2.
using namespace std
3.
namespace space
4.
{
5.
int x = 10;
6.
}
7.
namespace space
8.
{
9.
int y = 15;
10.
}
11.
int main(int argc, char * argv[])
12.
{
13.
space::x = space::y =5;
14.
cout << space::x << space::y;
15.
}
What is the output of this program?
1.
#include
2.
using namespace std;
3.
namespace Box1
4.
{
5.
int a = 4;
6.
}
7.
namespace Box2
8.
{
9.
int a = 13;
10.
}
11.
int main ()
12.
{
13.
int a = 16;
14.
Box1::a;
15.
Box2::a;
16.
cout << a;
17.
return 0;
18.
}
What is the output of these program?
1.
#include
2.
using namespace std;
3.
namespace first
4.
{
5.
int x = 5;
6.
int y = 10;
7.
}
8.
namespace second
9.
{
10.
double x = 3.1416;
11.
double y = 2.7183;
12.
}
13.
int main ()
14.
{
15.
using first::x;
16.
using second::y;
17.
bool a, b;
18.
a = x > y;
19.
b = first::y < second::x;
20.
cout << a << b;
21.
return 0;
22.
}