Polymorphism, objects and abstract types
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O'Hearn, Peter W.
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Article
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1998
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Association for Computing Machinery
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ion is one of the pillars of computer science . Of course . choosing the right concept s to emphasize, and details to suppress, is crucial in all of science, but in computer science th e role of abstraction extends beyond that of sensible methodology . For in computing we have see n the emergence of