Package Behavioral.Observer

Interface Observer

All Known Implementing Classes:

ConcreteObserver

public interface Observer

Interface for all observers in the Observer pattern.

Method Summary

Modifier and Type	Method	Description
void	update(String state)	Notifies the observer of a change in the subject.

Method Details

update

void update(String state)

Notifies the observer of a change in the subject.

Parameters:

state - The updated state from the subject.