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## javax.faces.event
Interface ValueChangeListener

All Superinterfaces:
  java.util.EventListener, FacesListener

All Known Implementing Classes:
  MethodExpressionValueChangeListener

    public interface ValueChangeListener

extends FacesListener

A listener interface for receiving `ValueChangeEvent`s. A class that is interested in receiving such events implements this interface, and then registers itself with the source `UIComponent` of interest, by calling `addValueChangeListener()`.

Method Summary
`void` | `processValueChange(ValueChangeEvent event)` Invoked when the value change described by the specified `ValueChangeEvent` occurs.

Method Detail

### processValueChange

    void processValueChange(ValueChangeEvent event)
                            throws AbortProcessingException

  Invoked when the value change described by the specified `ValueChangeEvent` occurs.

  Parameters:
    `event` - The `ValueChangeEvent` that has occurred
  Throws:
    `AbortProcessingException` - Signal the JavaServer Faces implementation that no further processing on the current event should be performed

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