title: How to concatenate a String in EL?
body: <p>How do I get the <code>promoPrice</code> variable to print as part of the string <code>ONLY $4.67</code>?</p>
  
  <pre><code>&lt;c:set var="promoPrice" value="4.67" /&gt;
  &lt;p&gt;${(promoPrice != null) ? "ONLY $${promoPrice}" : "FREE"}&lt;/p&gt;
  </code></pre>