3.3) Are There Any Other Object-Oriented Paradigms?
Description
This article is from the Object-Oriented Technology FAQ, by Bob Hathaway rjh@geodesic.com with numerous contributions by others.
3.3) Are There Any Other Object-Oriented Paradigms?
There are many alternatives in OO. Emerald/Jade ([Black 86] and [Raj 89])
provides one, where inheritance is replaced with a roughly equivalent form
where reuse occurs at a finer degree of granularity - method and instance
variables - with subtype polymorphism making up the difference.
CLOS [Kim 89, ch 4] has a looser coupling of methods to classes and doesn't
distinguish a receiver, but packages can help make up the difference.
Object Specialization [Sciore 89] is an example of a hybrid approach between
delegation and classical systems, where parent classes have an extra level
of indirection and inheritance hierarchies are specified on a per object/class
basis.
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