Size of the object in code
<p>What does the line   <strong>int Test::i;</strong> does in the below program. Somebody Please Explain</p>

<pre><code>// Assume that integers take 4 bytes.
#include&lt;iostream&gt;

using namespace std;   

class Test
{
  static int i;
  int j;
};

int Test::i;

int main()
{
    cout &lt;&lt; sizeof(Test);
    return 0;
}
</code></pre>
