Java Enterprise Best Practices
by 

The unconfirmed error reports are from readers.  They have not yet been 
approved or disproved by the author or editor and represent solely the
opinion of the reader.

Here's a key to the markup:
        [page-number]: serious technical mistake
        {page-number}: minor technical mistake
        <page-number>: important language/formatting problem
        (page-number): language change or minor formatting problem
        ?page-number?: reader question or request for clarification

This page was updated September 23, 2004


UNCONFIRMED  errors and comments from readers:

[139]  Example 6-2.;
BackgroundCallQueueImpl class must implement Runnable interface in order to create a Thread.