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abstract data type
<programming> (ADT) A kind of data abstraction where a
type's internal form is hidden behind a set of access
functions. Values of the type are created and inspected only
by calls to the access functions. This allows the
implementation of the type to be changed without requiring any
changes outside the module in which it is defined.
Objects and ADTs are both forms of data abstraction, but
objects are not ADTs. Objects use procedural abstraction
(methods), not type abstraction.
A classic example of an ADT is a stack data type for which
functions might be provided to create an empty stack, to
push values onto a stack and to pop values from a stack.
Reynolds paper.
Cook paper "OOP vs ADTs".
(2003-07-03)
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Nearby terms:
absolute path « absolute pathname « abstract class « abstract data type » abstract interpretation » abstraction » abstract machine
This article was derived from the Free Online Dictionary of Computers and is available under ther terms of the GNU Free Documentation License.
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