Constructor and destructor

Question

why not output of the code is cadb, instead of cabd?

#include <iostream>
using namespace std;
class A
{
public:
A(){cout<<"a";}
~A(){cout<<"b";}
};
class B
{
public:
B(){cout<<"c";}
~B(){cout<<"d";}

};

int main()
{
B b;
A a;

}

Answer 1

Objects are destroyed in reverse order in which they were constructed.

Answer 2

Post the link in the description of the Question instead of tagging and use the Tags section for tagging your programming language

Answer 3

Now ?