The 1st edition of this book was equally useful as an undergraduate textbook and as the lucid, no-nonsense guide required by IT professionals, featuring many code examples, screenshots and exercises. The new 2nd edition adds revised language reflecting significant changes in J2SE 5.0; update of support software; non-blocking servers; DataSource interface and Data Access Objects for connecting to remote databases. CD-ROM includes J2SE 5.0 and all code for the chapter examples.