Petri KainulainenChange your cover photoUpload Change your cover photoUpload Change your cover photo Petri Kainulainen Petri is passionate about software development and continuous improvement. He is specialized in software development with the Spring Framework and is the author of Spring Data book. This user account status is Approved About About Posts Posts Comments Comments This user has not added any information to their profile yet.First NamePetriLast NameKainulainen Only fill in if you are not human 2017-04-12Java Code Geeks