public interface ListenerContainerIF
Modifier and Type | Method and Description |
---|---|
void |
addListener(java.lang.Object listener)
Add a listener to this container.
|
boolean |
isEmpty()
Get wether this container is empty or not.
|
boolean |
removeListener(java.lang.Object listener)
Remove a listener from this container.
|
void addListener(java.lang.Object listener)
listener
- the listener to add.boolean removeListener(java.lang.Object listener)
listener
- the listener to be removed.boolean isEmpty()