
<div class="block"><p>Return <code>true</code> if the specified property of the specified
 property is known to be immutable; otherwise, return
 <code>false</code>.</p></div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../javax/faces/el/ValueBinding.html#isReadOnly-javax.faces.context.FacesContext-">isReadOnly</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../javax/faces/el/ValueBinding.html" title="class in javax.faces.el">ValueBinding</a>