There are many books about Java and Java in the database. Two particularly useful books are:
James Gosling, Bill Joy, Guy Steele, and Gilad Bracha, The Java™ Language Specification, Second Edition, Addison-Wesley, 2000.
Seth White, Maydene Fisher, Rick Cattell, Graham Hamilton, and Mark Hapner, JDBC™ API Tutorial and Reference, Second Edition, Addison-Wesley, 1999.
