Java

Java 6 API
http://docs.oracle.com/javase/6/docs/api/

Java 7 API
http://docs.oracle.com/javase/7/docs/api/

Java JDK/JRE downloads
http://www.oracle.com/technetwork/java/javase/downloads/index.html

IDEs

Eclipse
http://www.eclipse.org/downloads/

SQL IDE

TOAD (Commercial)
http://www.quest.com/toad/

SQL Developer (Free)
http://www.oracle.com/technetwork/developer-tools/sql-developer/overview/index.html

Java Tutorials

Official Java Tutorials
http://docs.oracle.com/javase/tutorial/

Oracle Web Center Content

Kyle’s Blog
Kyles Blog (The best blog on using UCM)

Dmitri Khanine’s website (wrote UCM Handbook)
http://stellentexperts.blogspot.com.au/