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Interface SetChangeListener<E>

Type Parameters:
E - the element type
All Known Implementing Classes:
WeakSetChangeListener
Functional Interface:
This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.
@FunctionalInterface public interface SetChangeListener<E>
Interface that receives notifications of changes to an ObservableSet.
Since:
JavaFX 2.1

Nested Class Summary

Modifier and Type Interface Description
static class  SetChangeListener.Change<E>
An elementary change done to an ObservableSet.

Method Summary

Modifier and Type Method Description
void onChanged(SetChangeListener.Change<? extends E> change)
Called after a change has been made to an ObservableSet.

Method Details

onChanged

void onChanged(SetChangeListener.Change<? extends E> change)
Called after a change has been made to an ObservableSet. This method is called on every elementary change (add/remove) once. This means, complex changes like removeAll(Collection) or clear() may result in more than one call of onChanged method.
Parameters:
change - the change that was made

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Copyright © 2008, 2025, Oracle and/or its affiliates. All rights reserved.

© 2008, 2025, Oracle and/or its affiliates. All rights reserved.
Documentation extracted from JavaFX API Documentation.
Licensed under the GNU General Public License, version 2, with the Classpath Exception.
Java, JavaFX and OpenJDK are trademarks or registered trademarks of Oracle and/or its affiliates.

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