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public interface Aggregation<U,T>
An interface that collects together multiple items and presents one item to represent the multiple values. An example is the mean average of (some property of) a population. You can also use the same interface to provide median and mode averages, or to sum values or generate prototypical object instances.
Method Summary | |
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T |
aggregate(List<U> items)
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Method Detail |
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T aggregate(List<U> items)
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