Object-Oriented Programming Concepts by Roberto Zicari · Published November 10, 2013 · Updated November 10, 2013 Sun, The Java Tutorial A great tutorial to get acquainted with OOP. LINK
Java and Databases May 1, 2004 by Roberto Zicari · Published May 1, 2004 · Last modified February 16, 2014
020.01 Accessing Identity Data via EJB November 1, 2005 by Roberto Zicari · Published November 1, 2005 · Last modified February 18, 2014
041.01 On the Notion of Semantic Metric Spaces for Object and Aspect Oriented Software Design March 1, 2008 by Roberto Zicari · Published March 1, 2008 · Last modified February 16, 2014