Obtains the next user ID from the list. This method differs from the next method in that it does not cause a NamingException and that it returns an object-type value. Reference the value by casting its Object object into a string. If NamingException occurs during the execution of this method, it returns null.

public Object nextElement();

None

java.util.NoSuchElementException:

There were no more user IDs in the list when this method was called.

The next user ID