# Hierarchy For Package javafx.util

Package Hierarchies:

- All Packages

## Class Hierarchy

- java.lang.Object
  - javafx.util.Duration (implements java.lang.Comparable<T>, java.io.Serializable)
  - javafx.util.Pair<K,V> (implements java.io.Serializable)
  - javafx.util.StringConverter<T>

## Interface Hierarchy

- javafx.util.Builder<T>
- javafx.util.BuilderFactory
- javafx.util.Callback<P,R>
- javafx.util.Subscription