certification core java head first java java java 2 java certification java security java server faces java swing web web 2.0 web service web services professional certification thought evaluation education standardized tests educational psychology psychometrics tests complete complete reference computing cross-platform software programmer java platform java (software platform) sun microsystems this (computer science) computing platforms java (programming language) exam java programming language sun certified professional swing (java) stringbuffer and stringbuilder event dispatching thread java platform, enterprise edition application programming interface java version history