on.constraints"><code>NegativeOrZero</code></a> constraints on the same element.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><a href="../../../jakarta/validation/constraints/NotBlank.html" title="annotation in jakarta.validation.constraints">NotBlank</a></td>
<td class="colLast">
<div class="block">The annotated element must not be <code>null</code> and must contain at least one
 non-whitespace character.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><a href="../../../jakarta