* [The Java Language Specification](http://java.sun.com/docs/books/jls/) - James Gosling, Bill Joy, Guy Steele, Gilad Bracha
* [The Java Tutorial 4th Edition](http://download.oracle.com/javase/tutorial/) - Sharon Zakhour, Scott Hommel, Jacob Royal, Isaac Rabinovitch, Tom Risser, Mark Hoeber
* [Core Servlets and JavaServer Pages](http://pdf.coreservlets.com/) - Marty Hall and Larry Brown
* [Introduction to Programming Using Java](http://math.hws.edu/javanotes/) - David J. Eck
####Wicket
####Wicket
* [Official Free Online Guide for Apache Wicket framework](http://wicket.apache.org/guide/)
* [Official Free Online Guide for Apache Wicket framework](http://wicket.apache.org/guide/)