Observable.notifyObservers

Observable.notifyObservers

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Syntax 1
public void notifyObservers()
Description
If this object has changed, as indicated by the hasChanged method, then notify all of its observers and then call the clearChanged method to indicate that this object has no longer changed.

Each observer has its update method called with two arguments: this observable object and null.

See Also
clearChanged, hasChanged, update



Syntax 2
public void notifyObservers( Object arg )
Parameters
arg
any object.
Description
If this object has changed, as indicated by the hasChanged method, then notify all of its observers and then call the clearChanged method to indicate that this object has no longer changed.

Each observer has its update method called with two arguments: this observable object and the arg argument.

See Also
clearChanged, hasChanged, update