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Roberto Cortez is a passionate Java Developer involved within the Open Source Community to help other individuals spread knowledge about Java technologies. He is a regular speaker at conferences like JavaOne, Devoxx, Devnexus, JFokus, etc. He leads the Coimbra JUG and founded the JNation Conference in Portugal. When he is not working, he hangs out with friends, plays computer games, and spends time with family.