# Interface FieldObserver

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

- ## Method Summary

  Modifier and Type
  Method
  Description
  `void`
  `notify(FieldGen field)`
  Notifies observer of a field change.

- ## Method Details

  - ### notify

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