Three employees of IT services company McDonald Bradley Inc., Herndon, Va., have published a book about the Java programming language. Recently released by Hoboken, N.J.-based publisher John Wiley and Sons Inc., "More Java Pitfalls: 50 New Time-Saving Solutions and Workarounds" was written by Michael Daconta, chief scientist of McDonald Bradley's advanced programs group; Donald Avondolio, senior architect developer; and Kevin Smith, principal software architect. W. Clay Richardson is also a co-author. "More Java Pitfalls" is the ninth book Daconta has published, including "Java Pitfalls," published in 2000. This book, like its predecessor, identifies the weakness and quirks in Java.