Available under Creative Commons-ShareAlike 4.0 International License. Download for free at http://cnx.org/contents/402b20ad-c01f-45f1-9743-05eadb1f710e@37.6 Helpers are the Variants Hiding Helpers Anonymous Helpers Factory with Anonymous Inner Classes Classes defined inside of another Class Closure Changing "states" -progressing to non-functional programming ‹ previous up next › 1133 reads