Uses of Interface
javafx.util.Callback

Packages that use Callback 
Package Description
javafx.collections
Contains the essential JavaFX collections and collection utilities
javafx.concurrent
Provides the set of classes for javafx.task.
javafx.fxml
Contains classes for loading an object hierarchy from markup.
javafx.scene
Provides the core set of base classes for the JavaFX Scene Graph API.
javafx.scene.control
The JavaFX User Interface Controls (UI Controls or just Controls) are specialized Nodes in the JavaFX Scenegraph especially suited for reuse in many different application contexts.
javafx.scene.control.cell
The javafx.scene.control.cell package is where all cell-related classes are located, other than the core classes such as Cell, IndexedCell, ListCell, TreeCell, and TableCell.
javafx.scene.control.skin
The javafx.scene.control.skin package is where the skin classes, typically one for each UI control, are located
javafx.scene.image
Provides the set of classes for loading and displaying images.
javafx.scene.web
This package provides means for loading and displaying Web content.