java certification app for iPhone and iPad

This is an oracle java simulator for the programmer java certification test this app help you to train your self to present the first oracle java programmer certification for java whit more than 300 questions , the app select questions for every topic included in the exam and present a 90 question test
You can see your score time y check every question if you have an error
Some errors include a little explanation when is required.
code is very small to help you to see it on ipad or iphone, questions some times seems very similar , but the concept and the answer are very different