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Q. How many Smalltalk programmers does it take to change a light bulb?
A. At least 4 :
One smalltalker doing a job as an analyst to do a OOA & OOD on the
light bulb problem domain.
One smalltalker implementing the generic light bulb class
One smalltalker doing a job as a class librarian distributing the
generic light bulb class for reuse
One smalltalker implementing the specific light bulb class
And now we still haven't got a mechanism which is going to create an
instance
of this specific lightbulb class en going to send the change method !
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