| Anticipated
changes |
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| • | The
most common anticipated change is |
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| “change
of representation” |
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| – | Anticipating
changing the representation of |
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| data
and associated functions (or just functions) |
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| – | Again,
a key notion behind abstract data types |
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| • | Ex: |
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| – | Cartesian
vs. polar coordinates; stacks as linked |
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| lists
vs. arrays; packed vs. unpacked strings |
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