ntentsAsDouble</h4>
<pre>public&nbsp;double&nbsp;contentsAsDouble(boolean&nbsp;useFastParser)
                        throws <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/NumberFormatException.html?is-external=true" title="class or interface in java.lang">NumberFormatException</a></pre>
<div class="block">Convenience method for converting contents of the buffer
 into a Double value.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>useFastParser</code> - whether to use