The participants have max 15 minutes to answer as many java questions as possible (max 17 questions).
They also have 3 "jokers" to help them (the '50/50', the 'call the participants' and the 'ask a friend' bonus question.
Many prizes. Flight vouchers...
Helene de Ribaupierre: Lecturer at Cardiff university
Oliver Szymanski: Founder of the Association of Java User Groups, Speaker & Director at Source Knights Ltd
Mani Sarkar: Software Craftsman, Java/JVM Developer, Conf speaker, Blogger, various dev. comm. & conf, infra/containers/virtual tech & Steering Committee Member at DevoxxUK
Mauricio Salatino: Author, International Speaker & Principal Software Engineer at Alfresco
Siva Narayan: CTO, Author, Key Note Speaker - "Data Asset" "The Next Data Rush" at Focus Group Ltd
Maurice Naftalin: Java Champion, Author, Speaker, Associate at JavaSpecialists.EU & Technical Director at Morningside Light Ltd
Carlos Matos: Senior Lecturer at Royal Holloway University of London
Sandro Mancuso: Author, International Speaker, Founder of the London Software Craftsmanship Community, Software Craftsman & Managing Director at Codurance
Peter Lewis: Lecturer in Computer Science at Aston University
Peter Lawrey: Java Champion, Blogger, Speaker & CEO at Higher Frequency Trading Ltd
Michael Kölling: Vice Dean for Education, Faculty of Natural and Mathematical Sciences at King's College London
Jens Krinke: Senior Lecturer at University College London
Jeroen Keppens: Lecturer at King's College London
Dan Hardiker: Chief Technical Officer at Adaptavist.com Ltd
Antonio Filieri: Lecturer (Assistant Professor) at Imperial college london
William Clocksin: Dean of the School of Computer Science at University of Hertfordshire