Java Tutorials:
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/javanotes/
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
http://www.extropia.com/tutorials.html
http://www.tutorialized.com/tutorials/Java/1
http://courses.coreservlets.com/Course-Materials/
http://www.bodo.com/java2.htm
http://www.codeproject.com/java/
http://www.codebeach.com/index.asp
http://journals.ecs.soton.ac.uk/java/tutorial/TOC.html
http://webreference.com/programming/java/tutorials.html
http://java.sun.com/docs/books/tutorial/index.html

C/C++ Tutorials:
http://www.cprogramming.com