SetListener

Type Parameters:

E - Type of objects stored in this set.

All Known Implementing Classes:

SetListener.Adapter, SetListener.Listeners
```
public interface SetListener<E>
```
Set listener interface.

Nested Class Summary

Nested Classes
Modifier and Type	Interface	Description
`static class`	`SetListener.Adapter<E>`	Deprecated. Since 2.1 and Java 8 the interface itself has default implementations.
`static class`	`SetListener.Listeners<E>`	Set listeners.

Method Summary

All Methods Instance Methods Default Methods
Modifier and Type	Method	Description
`default void`	`comparatorChanged(Set<E> set, java.util.Comparator<E> previousComparator)`	Called when a set's comparator has changed.
`default void`	`elementAdded(Set<E> set, E element)`	Called when an element is added to a set.
`default void`	`elementRemoved(Set<E> set, E element)`	Called when an element is removed from the set.
`default void`	`setCleared(Set<E> set)`	Called when set data has been reset.

- Method Detail
  - elementAdded
```
default void elementAdded(Set<E> set,
                          E element)
```
    Called when an element is added to a set.
    
    Parameters:
    
    set - The source of the set event.
    
    element - The element that was added to the set.
  - elementRemoved
```
default void elementRemoved(Set<E> set,
                            E element)
```
    Called when an element is removed from the set.
    
    Parameters:
    
    set - The source of the set event.
    
    element - The element that was removed from the set.
  - setCleared
```
default void setCleared(Set<E> set)
```
    Called when set data has been reset.
    
    Parameters:
    
    set - The source of the set event.
  - comparatorChanged
```
default void comparatorChanged(Set<E> set,
                               java.util.Comparator<E> previousComparator)
```
    Called when a set's comparator has changed.
    
    Parameters:
    
    set - The source of the event.
    
    previousComparator - The previous comparator value.