SerializableAppEvent, 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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https://docs.oracle.com/en/java/javase/21/docs/api/java.base/java/util/EventObject.html