# Interface ArrayChangeListener<T extends ObservableArray<T>>

Type Parameters:
  `T` - the array element type

public interface ArrayChangeListener<T extends ObservableArray<T>>
Interface that receives notifications of changes to an ObservableArray.

Since:
  JavaFX 8.0

- ## Method Summary

  Modifier and Type
  Method
  Description
  `void`
  `onChanged(T observableArray, boolean sizeChanged, int from, int to)`
  Called after a change has been made to an ObservableArray.

- ## Method Details

  - ### onChanged

    void onChanged(T observableArray, boolean sizeChanged, int from, int to)
    Called after a change has been made to an ObservableArray.
    Parameters:
      `observableArray` - the array that changed
      `sizeChanged` - indicates size of array changed
      `from` - A beginning (inclusive) of an interval related to the change
      `to` - An end (exclusive) of an interval related to the change.