public interface HeapListener
This interface represents a listener which expects to be notified of changes when they occur on a particular heap.
 To be notified, it must be registered to the NutsHeap thanks to its  NutsHeap.addObserver(HeapListener)
 method.
 
| Modifier and Type | Method and Description | 
|---|---|
void | 
nutUpdated(NutsHeap heap)
 Called when a nut has been updated in the heap. 
 | 
void nutUpdated(NutsHeap heap)
Called when a nut has been updated in the heap.
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