http://www.freeprogrammingresources.com/freejava.html
http://java.about.com/od/beginningjava/a/beginjavatutor.htm
http://www.javaranch.com/
http://www.freebyte.com/programming/
http://math.hws.edu/eck/cs124/downloads/javanotes4.zip
http://www.leepoint.net/notes-java/
http://www.programmingtutorials.com/java.aspx
http://www.programming.de/
http://www.freewarejava.com/tutorials/index.shtml
http://www.javacoffeebreak.com/tutorials/
http://www.dickbaldwin.com/
http://devcentral.iticentral.com/articles/Java/default.php