ShareSven has been programming Java in industrial projects since 1996. He has been programming Java for over 15 years worldwide in industries such as automotive, space travel, insurance, banking, the UN and the World Bank. For over ten years, he has been a speaker at conferences and community events in countries from America down to New Zealand. He has worked as a developer advocate for JFrog and Vaadin and regularly writes articles for IT magazines and technology portals. In addition to his main topic of Core Java, he deals with TDD and secure coding practices.