FieldObserver

```
public interface FieldObserver
```
Imnplement this interface if you're interested in changes to a FieldGen object and register yourself with addObserver().

- Method Summary
  
  All Methods Instance Methods Abstract Methods
  Modifier and Type Method Description
  
  void notify(FieldGen field)
  Notifies observer of a field change.

- Method Detail
  - notify
```
void notify(FieldGen field)
```
    Notifies observer of a field change.
    
    Parameters:
    
    field - the field that changed.