<p><pre><code>  For a massive server the CPU reading might not be unusual. Maybe it has 
  32+ CPU cores and a multi-threaded java app is spinning most of them.
</code></pre>
Yes, the article states that<p><pre><code>  The %CPU column is the total across all CPUs;
  1591% shows that that java processes is consuming almost 16 CPUs.</code></pre>