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
Three Sources of a Solid Object-Oriented Design May 1, 2005 by Roberto Zicari · Published May 1, 2005 · Last modified February 16, 2014
JDBC – How to… August 1, 2005 by Roberto Zicari · Published August 1, 2005 · Last modified February 19, 2014
Q&A with Data Scientists: Carlos Andre Reis Pinheiro March 17, 2017 by Roberto Zicari · Published March 17, 2017