public interface GrayEventObservable
| 限定符和类型 | 方法和说明 |
|---|---|
void |
addObserver(GrayEventObserver observer) |
List<GrayEventObserver> |
getObservers() |
void |
removeObserver(GrayEventObserver observer) |
void addObserver(GrayEventObserver observer)
void removeObserver(GrayEventObserver observer)
List<GrayEventObserver> getObservers()
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