java.util

Class Observable

java.lang.Object

java.util.Observable

public class Observable
extends Object

Constructor Summary

Constructors

Constructor and Description
Observable()

Method Summary

Modifier and Type	Method and Description
void	addObserver(Observer observer)
protected void	clearChanged()
int	countObservers()
void	deleteObserver(Observer observer)
void	deleteObservers()
boolean	hasChanged()
void	notifyObservers()
void	notifyObservers(Object data)
protected void	setChanged()

Methods inherited from class java.lang.Object

clone, equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Observable

public Observable()

Method Detail

addObserver

public void addObserver(Observer observer)

clearChanged

protected void clearChanged()

countObservers

public int countObservers()

deleteObserver

public void deleteObserver(Observer observer)

deleteObservers

public void deleteObservers()

hasChanged

public boolean hasChanged()

notifyObservers

public void notifyObservers()

notifyObservers

public void notifyObservers(Object data)

setChanged

protected void setChanged()