Share Use Skylit to let students review past APCS free response questions. with FacebookShare Use Skylit to let students review past APCS free response questions. with Twitter Skylit is a great online tool that offers annotated solutions to past free response questions. It is valuable for students to see AP problems compile and run. Check out Skylit’s Free Response Section. More about this tip Tags AP A Java CS 1 Intro Programming External Source Interview with Seth Reichelson Other Tips By Other Tips By Seth Reichelson