why is this the output of the following loop?
<p>why am I getting the following output: 4 8 12 16 20</p>

<pre><code>int i, j = 1, k;
  for (i = 0; i &lt; 5; i++)
  {
     k = j++ + ++j;
     Console.Write(k + " ");
  }
</code></pre>
