# Uses of Class
javafx.beans.binding.MapExpression

Packages that use MapExpression
Package | Description
--- | ---
javafx.beans.binding | Provides classes that create and operate on a `Binding` that calculates a value that depends on one or more sources.
javafx.beans.property | The package `javafx.beans.property` defines read-only properties and writable properties, plus a number of implementations.

- ## Uses of MapExpression in javafx.beans.binding

  Subclasses of MapExpression in javafx.beans.binding
  Modifier and Type | Class | Description
  --- | --- | ---
  `class` | `MapBinding<K,​V>` | Base class that provides most of the functionality needed to implement a `Binding` of an `ObservableMap`.

  Methods in javafx.beans.binding that return MapExpression
  Modifier and Type | Method | Description
  --- | --- | ---
  `static <K,​ V> MapExpression<K,​V>` | MapExpression.`mapExpression​(ObservableMapValue<K,​V> value)` | Returns a `MapExpression` that wraps a `ObservableMapValue`.

- ## Uses of MapExpression in javafx.beans.property

  Subclasses of MapExpression in javafx.beans.property
  Modifier and Type | Class | Description
  --- | --- | ---
  `class` | `MapProperty<K,​V>` | This class provides a full implementation of a `Property` wrapping an `ObservableMap`.
  `class` | `MapPropertyBase<K,​V>` | The class `MapPropertyBase` is the base class for a property wrapping an `ObservableMap`.
  `class` | `ReadOnlyMapProperty<K,​V>` | Superclass for all readonly properties wrapping an `ObservableMap`.
  `class` | `ReadOnlyMapPropertyBase<K,​V>` | Base class for all readonly properties wrapping an `ObservableMap`.
  `class` | `ReadOnlyMapWrapper<K,​V>` | This class provides a convenient class to define read-only properties.
  `class` | `SimpleMapProperty<K,​V>` | This class provides a full implementation of a `Property` wrapping an `ObservableMap`.