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what is data Abstraction? and give example
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Answer Posted / shruthi
Data abstraction enforces a clear separation between the
abstract properties of a data type and the concrete details
of its implementation. The abstract properties are those
that are visible to client code that makes use of the data
type—the interface to the data type—while the concrete
implementation is kept entirely private, and indeed can
change, for example to incorporate efficiency improvements
over time. The idea is that such changes are not supposed to
have any impact on client code, since they involve no
difference in the abstract behaviour.
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