# Hierarchy For Package org.apache.datasketches.fdt

Package Hierarchies:

- All Packages

## Class Hierarchy

- java.lang.Object
  - org.apache.datasketches.fdt.Group (implements java.lang.Comparable<T>)
  - org.apache.datasketches.fdt.PostProcessor
  - org.apache.datasketches.tuple.TupleSketch<S>
    - org.apache.datasketches.tuple.UpdatableTupleSketch<U,S>
      - org.apache.datasketches.tuple.strings.ArrayOfStringsTupleSketch
        - org.apache.datasketches.fdt.FdtSketch