# 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.DoublesSketch (implements org.apache.datasketches.quantilescommon.QuantilesDoublesAPI)
    - org.apache.datasketches.quantiles.CompactDoublesSketch
    - org.apache.datasketches.quantiles.UpdateDoublesSketch
  - org.apache.datasketches.quantiles.DoublesSketchBuilder
  - org.apache.datasketches.quantiles.DoublesSketchIterator (implements org.apache.datasketches.quantilescommon.QuantilesDoublesSketchIterator)
  - org.apache.datasketches.quantiles.DoublesUnion
  - org.apache.datasketches.quantiles.DoublesUnionBuilder
  - org.apache.datasketches.quantiles.ItemsSketch<T> (implements org.apache.datasketches.quantilescommon.QuantilesGenericAPI<T>)
  - org.apache.datasketches.quantiles.ItemsSketchIterator<T> (implements org.apache.datasketches.quantilescommon.QuantilesGenericSketchIterator<T>)
  - org.apache.datasketches.quantiles.ItemsUnion<T>