ic class MyService {
     public String hello(String name) {
         return "Hello " + name + "!";
     }
 }
 </pre>

 Further, assume that <code>invoker</code> is an invoker for the <code>hello()</code> method
 of the <code>MyService</code> bean and <code>myService</code> is a contextual reference for the bean.
 Then, to invoke the <code>hello()</code> method indirectly, a framework would call

 <pre>
 invoker.invoke(myService, new Object[] { "world" })
 </pre>

 The return value would be <code>"Hello wor