What's the difference between EntryBean and EntryBeans?
EntryBean is an interface implemented by entry beans. See http://www.jguru.com/jguru/faq/view.jsp?EID=61195 for a more detailed explanation of entry beans.
EntryBeans is a class that declares two static methods used to obtain an entry beans corresponding to a given entry type. For example, EntryBeans.createBean(net.jini.lookup.entry.Name) will return an instance of net.jini.lookup.entry.NameBean that contains the Name object you passed in.