Sadly, the current j version 7 version of the "Object Oriented Programming" is broken.
Lab: Object Oriented Programming To advance the lab, press Ctrl-. in JHS or Ctrl-J in Gtk. On a tablet your mileage may vary. ── (1 of 70) Overview ─────────────────────────────────────── This lab is about Object Oriented Programming. It covers OOP ideas and terminology and shows how to do it. ) callback run error: psel_row_activated_3_ |value error: wdforms | fms=. wdforms'' ----------------------------------- I was struck, by an earlier post in this thread, of differing impressions of j. I see j as having been carefully crafted with names and symbols carefully chosen. Were I to offer an introduction for intended users, say to a j club, the circle functions o. would be among the first things I'd show off as mnemonic, easy to learn. Then again, I think the standard emacs key sequences make good sense. My only gripe is that having been a Pascal programmer, and a Makefile writer, and a Mathematica user, I often write noSpace:= causing spelling error that gives me a devil of a time to spot. > From: bob therriault <bobtherria...@mac.com> > To: programm...@jsoftware.com > Subject: Re: [Jprogramming] @: and capped fork > Message-ID: <12873c55-cc7c-4ee2-98bf-8e63d61e5...@mac.com> > Content-Type: text/plain; CHARSET=US-ASCII > > Alex, > > I think I would point them towards first the 'Locales" lab and then > the "Object Oriented Programming" lab. I think that these two labs > would give object oriented people lots of information about how J can > be used as an object oriented language. > > Cheers, bob >>>>>... ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm