What will be the output of the following C++ code?
#include <iostream>
using namespace std;
int main ()
{
int a;
int * ptr_b;
int ** ptr_c;
a = 1;
ptr_b = &a;
ptr_c = &ptr_b;
cout << a << "\n";
cout << *ptr_b << "\n";
cout << *ptr_c << "\n";
cout << **ptr_c << "\n";
return 0;
}
#include <iostream>
using namespace std;
int main ()
{
int a;
int * ptr_b;
int ** ptr_c;
a = 1;
ptr_b = &a;
ptr_c = &ptr_b;
cout << a << "\n";
cout << *ptr_b << "\n";
cout << *ptr_c << "\n";
cout << **ptr_c << "\n";
return 0;
}A. 1
1
0xbffc9924
1
B. 1
1
1
0xbffc9924
C. 1
0xbffc9924
1
1
D. 0xbffc9924
Answer: Option A
Related Questions on Classes and Objects in C plus plus
A. A collection of functions
B. A reserved keyword in C++
C. A blueprint for creating objects
D. A way to declare arrays of data
Which keyword is used to create an object of a class in C++?
A. new
B. create
C. object
D. None of the above
A. A reserved keyword in C++
B. An instance of a class
C. A way to declare arrays of data
D. None of the above
What is the purpose of a constructor in C++?
A. To hide the implementation details of a class
B. To create multiple instances of a class
C. To initialize the object's data members
D. To destroy the object

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