title: Java : convert long to Timestamp
body: <p>I know, how to convert a <code>Timestamp</code> to a long, with the <a href="http://docs.oracle.com/javase/8/docs/api/java/sql/Timestamp.html#getTime--" rel="noreferrer"><code>getTime()</code></a> method.</p>
  
  <p>Is there a method that convert a <code>long</code> to a <code>TimeStamp</code>?</p>