public class PrinterObserverManager
extends java.lang.Object
Modifier and Type | Method and Description |
---|---|
void |
add(PrinterObserver printerObserver) |
void |
clear() |
static PrinterObserverManager |
getInstance() |
java.util.ArrayList<PrinterObserver> |
getObservers() |
void |
remove(PrinterObserver printerObserver) |
public static PrinterObserverManager getInstance()
public void add(PrinterObserver printerObserver)
public void remove(PrinterObserver printerObserver)
public void clear()
public java.util.ArrayList<PrinterObserver> getObservers()