Question 6
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;
b.Print();
return 0;
}
Question 7
What happens when you attempt to compile and run the following code?
#include <iostream>
using namespace std;
int op(int x, int y);
float op(int x, float y);
int main()
{
int i=1, j=2, k;
float f=0.3;
k = op(i, j);
cout<< k << "," << op(0, f);
return 0;
}
int op(int x, int y)
{
return x+y;
}
float op(int x, float y)
{ return x?y; }
Question 8
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;
}
Question 9
What happens when you attempt to compile and run the following code?
#include <iostream>
using namespace std;
int main()
{
int *t;
t = new int[2];
for (int i=0; i<2; i++) {
t[i] = i;
}
cout << t[1];
}
Question 10
What is the output of the program?
#include <iostream>
using namespace std;
class Base {
static int age;
public:
Base () {};
~Base () {};
void setAge(int a=10) {age = a;}
void Print() { cout << age;}
};
int Base::age=0;
int main () {
Base a,*b;
b = new Base();
a.setAge();
b?>setAge(20);
a.Print();
b?>Print();
return 0;
}