 <p>I didn't know that ognl created map can be used to do this...</p> <p><strong>The Solution:</strong></p> <pre class="lang-xml prettyprint-override"><code>&lt;s:iterator value="#{'val1':'abc','val2':'xyz'}" var="some"&gt; &lt;s:radio key="selectedId" list="#some" listKey="key" listValue="value"/&gt;&lt;br/&gt; &lt;/s:iterator &gt; </code></pre>