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package javafx.collections;


import java.util.Set;

import javafx.beans.Observable;

A set that allows observers to track changes when they occur.
See Also:
Since:JavaFX 2.1
/** * A set that allows observers to track changes when they occur. * * @see SetChangeListener * @see SetChangeListener.Change * @since JavaFX 2.1 */
public interface ObservableSet<E> extends Set<E>, Observable {
Add a listener to this observable set.
Params:
  • listener – the listener for listening to the set changes
/** * Add a listener to this observable set. * @param listener the listener for listening to the set changes */
public void addListener(SetChangeListener<? super E> listener);
Tries to removed a listener from this observable set. If the listener is not attached to this list, nothing happens.
Params:
  • listener – a listener to remove
/** * Tries to removed a listener from this observable set. If the listener is not * attached to this list, nothing happens. * @param listener a listener to remove */
public void removeListener(SetChangeListener<? super E> listener); }