erface </span><span class="element-name type-name-label">Asynchronous</span></div>
<div class="block">Used to mark a session bean method as an asynchronous method or to designate all business methods of a session bean
 class as asynchronous.
 <p>
 An asychronous method must have return type <code>void</code> or <code>Future&#060;V&#062;</code>, where
 <code>V</code> is the result value type.
 <p>
 Asynchronous method invocation semantics only apply to the no-interface, local business, and remote business cl