Question 31
What is the output of the program if characters 'h', 'e', 'l', 'l' , 'o' and enter are supplied as input?
#include <iostream> #include <string>
using namespace std;
void f();
int main()
{
f();
return 0;
}
void f()
{
char c;
c = cin.get();
cout << c;
if(c != '\n')
f();
}
Question 32
Which of the following is a logical operator?
Question 33
What is the output of the program?
#include <iostream>
#include <string>
using namespace std;
union t
{
char c;
int i;
};
class First
{
union t u;
public:
First() {
u.c = 'A';
}
void Print(){
cout << u.c;
}
};
int main()
{
First *t = new First();
t?>Print();
}
Question 34
What happens when you attempt to compile and run the following code?
#include <iostream>
using namespace std;
class First
{
public:
void Print(){ cout<<"from First";}
};
class Second
{
public:
void Print(){ cout<< "from Second";}
};
int main()
{
Second t[2];
for (int i=0; i<2; i++)
t[i].Print();
}
Question 35
What happens when you attempt to compile and run the following code?
#include <iostream>
#include <string>
using namespace std;
class A {
public:
int x;
A() { x=0;}
A(int x) { this?>x=x;}
};
class B : private A {
public:
using A::x;
B() { x=1;}
B(int x) {this?>x = x;}
};
int main () {
B c1;
B c2(?5);
cout << c1.x;
cout << c2.x;
return 0;
}