You Wang thinks this is interesting: A subclass cannot access the private fields of its superclass. From Chapter 5. Inheritance from Core Java® Volume I—Fundamentals, Tenth Edition by Cay S. Horstmann Publisher: Prentice Hall Released: December 2015 Note "private" is a complete restriction. Share this highlight http://learning.oreilly.com/a/core-java-volume/15367139/ Twitter Facebook Google Plus Email Get Instant Access Now Start a Free Trial Have an account? Sign in.