Chris Hostetter wrote:
in my opinion other blog he links to hits the nail on the head a
little better (i remember reading this last year) ...
http://kirillosenkov.blogspot.com/2007/08/choosing-interface-vs-abstract-class.html
The rule of thumb there is good too:
"An interface should define at most one member."
Interesting related note: there's another recent blog where the lack of
interfaces in Lucene (specificly for the Query hierarchy) is listed as one
of the main reasons "Why Lucene isn't that good" ...
http://www.jroller.com/melix/entry/why_lucene_isn_t_that
Perhaps Lucene should have an FAQ about interfaces versus classes?
Doug
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