Serializable
AppEvent
, AWTEvent
, BeanContextEvent
, CaretEvent
, ChangeEvent
, ConnectionEvent
, DragGestureEvent
, DragSourceEvent
, DropTargetEvent
, FlavorEvent
, HandshakeCompletedEvent
, HyperlinkEvent
, LineEvent
, ListDataEvent
, ListSelectionEvent
, MenuEvent
, NamingEvent
, NamingExceptionEvent
, NodeChangeEvent
, Notification
, PopupMenuEvent
, PreferenceChangeEvent
, PrintEvent
, PropertyChangeEvent
, RowSetEvent
, RowSorterEvent
, SSLSessionBindingEvent
, StatementEvent
, TableColumnModelEvent
, TableModelEvent
, TreeExpansionEvent
, TreeModelEvent
, TreeSelectionEvent
, UndoableEditEvent
, UnsolicitedNotificationEvent
public class EventObject extends Object implements Serializable
The root class from which all event state objects shall be derived.
All Events are constructed with a reference to the object, the "source", that is logically deemed to be the object upon which the Event in question initially occurred upon.
Modifier and Type | Field | Description |
---|---|---|
protected Object |
source |
The object on which the Event initially occurred. |
Constructor | Description |
---|---|
EventObject |
Constructs a prototypical Event. |
protected transient Object source
public EventObject(Object source)
source
- the object on which the Event initially occurredIllegalArgumentException
- if source is nullpublic Object getSource()
public String toString()
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Documentation extracted from Debian's OpenJDK Development Kit package.
Licensed under the GNU General Public License, version 2, with the Classpath Exception.
Various third party code in OpenJDK is licensed under different licenses (see Debian package).
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https://docs.oracle.com/en/java/javase/21/docs/api/java.base/java/util/EventObject.html