Thanks for replying
as a side note OOP appear only in chapter 8 of my book so I have to survive
in the meantime
A long long time ago I used object logo ... sticking to groovy helps me to
provide the additional codes I want to create simplistic graphics.
now back to the main point:
when I read your example I thought "good Lord I wasn't even aware of that!
how come?"
then I tested .... and
---------------
org.codehaus.groovy.runtime.typehandling.GroovyCastException: Cannot cast
object
'scrountch.geom.SFrame[frame1,0,23,300x442,layout=java.awt.BorderLayout,title=,maximized]'
with class 'scrountch.geom.SFrame' to class 'Cadre'
--------------
with
(SFrame being a groovy class of the framework)
but
does work ....
so ???? what's the difference?
OC wrote
>> now if you have a factory that returns the proper class and you assign it
>> to
>> a variable typed with a subclass it won't work.
>
> ===
> 26 /tmp> <w.groovy
> class Localizeděščřžýáíí extends LinkedList { }
> class Factory { static LinkedList list() { return new LinkedList() } }
>
> Localizeděščřžýáíí ěěě=Factory.list()
> ěěě<<"Actually, it does work, though in Java-based language
> it's a small miracle"
> println "${ěěě.class.simpleName} contains $ěěě"
> 27 /tmp> groovy w
> Localizeděščřžýáíí contains [Actually, it does work, though in Java-based
> language it's a small miracle]
> 28 /tmp>
> ===
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