title="annotation interface in jakarta.validation.constraints">NotBlank</a></code></div>
<div class="col-last even-row-color">
<div class="block">The annotated element must not be <code>null</code> and must contain at least one
 non-whitespace character.</div>
</div>
<div class="col-first odd-row-color"><code>@interface&nbsp;</code></div>
<div class="col-second odd-row-color"><code><a href="../constraints/NotEmpty.html" class="type-name-link" title="annotation interface in jakarta.validation.constraints">No