File APIs for Java Developers
Manipulate DOC, XLS, PPT, PDF and many others from your application.
The moose likes Programmer Certification (SCJP/OCPJP) and the fly likes oo concepts Big Moose Saloon
  Search | Java FAQ | Recent Topics | Flagged Topics | Hot Topics | Zero Replies
Register / Login
JavaRanch » Java Forums » Certification » Programmer Certification (SCJP/OCPJP)
Bookmark "oo concepts" Watch "oo concepts" New topic

oo concepts

maggie karve
Ranch Hand

Joined: Dec 29, 2009
Posts: 187
W. Joe Smith
Ranch Hand

Joined: Feb 10, 2009
Posts: 710
I believe it has to do with this line:

Since you have a Derived object, whenever you are calling addValue() you are goign to call teh most specific version of that method, in this case being value += 20. Since it is being called twice (once in superclass constructor, once in subclass constructor) the value will be 40.

When I die, I want people to look at me and say "Yeah, he might have been crazy, but that was one zarkin frood that knew where his towel was."
I agree. Here's the link:
subject: oo concepts
It's not a secret anymore!