objref = initial.lookup("java:comp/env/ejb/SimpleEnroller");
EnrollerHome eHome =
(EnrollerHome)PortableRemoteObject.narrow(objref,
EnrollerHome.class);
Enroller enroller = eHome.create();
enroller.enroll("823", "220");
enroller.enroll("823", "333");
enroller.enroll("823", "777");
enroller.enroll("456", "777");
enroller.enroll("388", "777");
System.out.println(denise.getName() + ":");
ArrayList courses = denise.getCourseIds();
Iterator i = courses.iterator();
while (i.hasNext()) {