Links in Java Polymorphism Experts articles

http://download.oracle.com/javase/tutorial/java/IandI/super.html

http://java.sun.com/docs/books/jls/third_edition/html/

http://polygoncell.blogspot.com/2008/07/as-many-people-already-met-there-are.html

http://sscce.org/

http://upload.wikimedia.org/wikipedia/commons/c/cf/Friz.jpg

http://virtualinfinity.net/wordpress/

http://www.amazon.com/Enterprise-Java-Servlets-Jeff-Genender/dp/02017.

http://www.artima.com/objectsandjava/webuscript/PolymorphismInterface.