Master C++ Institute CPA-21-02 Exam with Reliable Practice Questions
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What will happen when you attempt to compile and run the following code?
#include
using namespace std;
#define A 1
int main()
{
#if A
cout<<"Hello";
#endif
cout<<"world";
return 0;
}
Correct : A
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What will be the output of the program?
#include
#include
using namespace std;
int fun(int);
int main()
{
float k=3;
k = fun(k);
cout< return 0; } int fun(int i) { i++; return i; }
Correct : C
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What happens 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++;
}
return 0;
}
Correct : B
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What happens when you attempt to compile and run the following code?
#include
#include
using namespace std;
int main()
{
string s1[]= {"How" , "to" };
s1[0].swap(s1[1]);
for (int i=0; i<2; i++) {
cout << s1[i];
}
return( 0 );
}
Correct : B
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What is the meaning of the following declaration? (Choose two.)
char **ptr;
Correct : A, B
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