Interface Observer

public interface Observer

Observer is the interface to be implemented by objects that receive notification of updates on an Observable object.

See also
  • Observable

  • Method Summary

    Modifier and Type
    Method
    Description
    void
    update(Observable observable, Object data)
    This method is called if the specified Observable object's notifyObservers method is called (because the Observable object has been updated.

  • Method Details

    • update

      void update(Observable observable, Object data)

      This method is called if the specified Observable object's notifyObservers method is called (because the Observable object has been updated.

      Parameters

      • observable: the Observable object.

      • data: the data passed to Observable#notifyObservers(Object).