What would be the default constructor header : <p>I am new to java and trying to grasp concepts concerning headers for the default constructor.</p>

<p>The header for the first constructor in Circle is:</p>

<pre><code>public Circle(String label, int radius)
</code></pre>

<p>If one decides to add a default constructor to the class. What would be the header for this default constructor?</p>

<p>I have looked online but not really seen a succinct answer. </p>
