# Interface WritableNumberValue

All Superinterfaces:
  `WritableValue<Number>`

All Known Subinterfaces:
  `WritableDoubleValue, WritableFloatValue, WritableIntegerValue, WritableLongValue`

All Known Implementing Classes:
  `DoubleProperty, DoublePropertyBase, FloatProperty, FloatPropertyBase, IntegerProperty, IntegerPropertyBase, JavaBeanDoubleProperty, JavaBeanFloatProperty, JavaBeanIntegerProperty, JavaBeanLongProperty, LongProperty, LongPropertyBase, ReadOnlyDoubleWrapper, ReadOnlyFloatWrapper, ReadOnlyIntegerWrapper, ReadOnlyLongWrapper, SimpleDoubleProperty, SimpleFloatProperty, SimpleIntegerProperty, SimpleLongProperty, SimpleStyleableDoubleProperty, SimpleStyleableFloatProperty, SimpleStyleableIntegerProperty, SimpleStyleableLongProperty, StyleableDoubleProperty, StyleableFloatProperty, StyleableIntegerProperty, StyleableLongProperty`

public interface WritableNumberValue extends WritableValue<Number>
A tagging interface that marks all sub-interfaces of `WritableValue` that wrap a number.

Since:
  JavaFX 2.0
See Also:
  - `WritableValue`
  - `WritableDoubleValue`
  - `WritableFloatValue`
  - `WritableIntegerValue`
  - `WritableLongValue`

- ## Method Summary

  ### Methods declared in interface WritableValue

  `getValue, setValue`