Enumerates the names bound in the named context, along with the class names of objects bound to them. The contents of any subcontexts are not included.
If a binding is added to or removed from this context, its effect on an enumeration previously returned is undefined.
@param name the name of the context to list
@return an enumeration of the names and class names of the bindings in this context. Each element of the enumeration is of type NameClassPair.
@exception NamingException if a naming exception is encountered