Java

The official documentation from Sun, both online and in printed form, is as good a place to start as any. The API reference details all the classes available, which is critical information for getting the most out of the language.

Campione, Mary. "Trail: Learning the Java Language." The Java Tutorial, Third Edition. Addison-Wesley 2000. http://java.sun.com/docs/books/tutorial/java/index.html.

Java 2 Platform, Standard Edition Documentation. http://java.sun.com/j2se/1.4.2/docs/index.html.

Java 2 Platform, Standard Edition, API Specification.1 http://java.sun.com/j2se/1.4.2/docs/api/index.html.