| More on the Iterator
pattern |
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| • | Iterators
provide a common interface for |
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| accessing
aggregates |
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| – | Can use the same
interface for lists |
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| implemented as
arrays and lists implements |
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| as linked lists |
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| – | Easier to change
data structure |
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| implementations |
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| • | See java.util
in JDK 1.2 for good examples |
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