JCERTIFY Version 6 is HERE. What do Bruce Eckel, Richard Baldwin, Roedy Green, and EnterpriseDeveloper.com have in common? JCertify Version 6 fully conforms to the Sun Certified Programmer for the Java 2 Platform 1.4 Exam ( 310-035 ) - including Assertions, Wrapper Objects, and hashCodes. JCertify Version 6 has 15% more questions, enhanced abilities to create your own custom practice exams, enhanced post exam review capabilities, and key usability enhancements.