java.util

Class Observable

java.lang.Object

java.util.Observable

public class Observable
extends Object

Constructor Summary

Constructors

Constructor and Description
Observable() Observable

Method Summary

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

Methods inherited from class java.lang.Object

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

Constructor Detail

Observable

public Observable()

Observable

Method Detail

addObserver

public void addObserver(Observer observer)

Parameters:

observer - ?

clearChanged

protected void clearChanged()

clearChanged

countObservers

public int countObservers()

Returns:

?

deleteObserver

public void deleteObserver(Observer observer)

Parameters:

observer - ?

deleteObservers

public void deleteObservers()

deleteObservers

hasChanged

public boolean hasChanged()

Returns:

?

notifyObservers

public void notifyObservers()

notifyObservers

notifyObservers

public void notifyObservers(Object obj)

Parameters:

obj - ?

setChanged

protected void setChanged()

setChanged