# Hierarchy For Package org.apache.sysds.runtime.matrix.data.sketch

Package Hierarchies:

- All Packages

## Class Hierarchy

- java.lang.Object
  - org.apache.sysds.runtime.matrix.data.sketch.CountDistinctSketch (implements org.apache.sysds.runtime.matrix.data.sketch.MatrixSketch)
  - org.apache.sysds.runtime.matrix.data.sketch.MatrixSketchFactory

## Interface Hierarchy

- org.apache.sysds.runtime.matrix.data.sketch.MatrixSketch