title: How to get current timestamp up to nanoseconds accuracy?
body: <p>I have used <code>System.currentTimeInMillis()</code> method for getting current timestamp in MilliSeconds. And also I used <code>System.nanoTime()</code>, but it is used for measuring elapsed time only. </p>
  
  <p><strong>How can I get Current Timestamp in nanoseconds accuracy?</strong></p>
  
  <p>Any help appreciated.</p>