What will be the output ? (VIsual C ++ in debug mode)
<p>File: sub.cpp</p>

<pre><code>// The string to print
char str[] = "Hello World!\n";
</code></pre>

<p>File: main.cpp</p>

<pre><code>/************************************************
 * print string -- Print a simple string. *
 ************************************************/
#include &lt;iostream&gt;

extern char *str; // The string to print

int main()
{
    std::cout &lt;&lt; str &lt;&lt; std::endl;
    return (0);
}
</code></pre>
