| Package | Description | 
|---|---|
| java.util.stream | Classes to support functional-style operations on streams of elements, such
 as map-reduce transformations on collections. | 
| Modifier and Type | Method and Description | 
|---|---|
| <R> R | DoubleStream. collect(Supplier<R> supplier,
       ObjDoubleConsumer<R> accumulator,
       BiConsumer<R,R> combiner)Performs a mutable
 reduction operation on the elements of this stream. | 
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