WeakListener — OpenJavaFX 11

All Known Implementing Classes:

WeakChangeListener, WeakInvalidationListener, WeakListChangeListener, WeakMapChangeListener, WeakSetChangeListener
```
public interface WeakListener
```
WeakListener is the super interface of all weak listener implementations in the JavaFX API. Usually it should not be used directly, but instead one of the sub-interfaces will be used.

Since:

JavaFX 2.1

See Also:

WeakInvalidationListener, WeakChangeListener

Method Summary

All MethodsInstance MethodsAbstract Methods
Modifier and Type Method Description

boolean wasGarbageCollected()
Returns true if the linked listener was garbage-collected.

All MethodsInstance MethodsAbstract Methods
Modifier and Type	Method	Description
`boolean`	`wasGarbageCollected()`	Returns `true` if the linked listener was garbage-collected.

Method Detail
- wasGarbageCollected
```
boolean wasGarbageCollected()
```
  Returns true if the linked listener was garbage-collected. In this case, the listener can be removed from the observable.
  
  Returns:
  
  true if the linked listener was garbage-collected.

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Documentation extracted from JavaFX API Documentation.
Licensed under the GNU General Public License, version 2, with the Classpath Exception.
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Interface WeakListener

Method Summary

Method Detail

wasGarbageCollected