# Hierarchy For Package org.apache.datasketches.quantiles

Package Hierarchies:

- All Packages

## Class Hierarchy

- java.lang.Object
  - org.apache.datasketches.quantiles.ClassicUtil
  - org.apache.datasketches.quantiles.QuantilesDoublesSketch (implements org.apache.datasketches.common.MemorySegmentStatus, org.apache.datasketches.quantilescommon.QuantilesDoublesAPI)
    - org.apache.datasketches.quantiles.CompactQuantilesDoublesSketch
    - org.apache.datasketches.quantiles.UpdatableQuantilesDoublesSketch
  - org.apache.datasketches.quantiles.QuantilesDoublesSketchBuilder
  - org.apache.datasketches.quantiles.QuantilesDoublesSketchIterator (implements org.apache.datasketches.quantilescommon.QuantilesDoublesSketchIteratorAPI)
  - org.apache.datasketches.quantiles.QuantilesDoublesUnion (implements org.apache.datasketches.common.MemorySegmentStatus)
  - org.apache.datasketches.quantiles.QuantilesDoublesUnionBuilder
  - org.apache.datasketches.quantiles.QuantilesItemsSketch<T> (implements org.apache.datasketches.quantilescommon.QuantilesGenericAPI<T>)
  - org.apache.datasketches.quantiles.QuantilesItemsSketchIterator<T> (implements org.apache.datasketches.quantilescommon.QuantilesGenericSketchIteratorAPI<T>)
  - org.apache.datasketches.quantiles.QuantilesItemsUnion<T>