Class EventObject
- java.lang.Object
-
- java.util.EventObject
- All Implemented Interfaces:
- Serializable
- Direct Known Subclasses:
- 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.
- Since:
- JDK1.1
- See Also:
- Serialized Form
Fields
| Modifier and Type | Field and Description |
|---|---|
protected Object |
source The object on which the Event initially occurred. |
Constructors
| Constructor and Description |
|---|
EventObject(Object source) Constructs a prototypical Event. |
Methods
| Modifier and Type | Method and Description |
|---|---|
Object |
getSource() The object on which the Event initially occurred. |
String |
toString() Returns a String representation of this EventObject. |
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait Fields
source
protected transient Object source
The object on which the Event initially occurred.
Constructors
EventObject
public EventObject(Object source)
Constructs a prototypical Event.
- Parameters:
-
source- The object on which the Event initially occurred. - Throws:
-
IllegalArgumentException- if source is null.
Methods
getSource
public Object getSource()
The object on which the Event initially occurred.
- Returns:
- The object on which the Event initially occurred.
toString
public String toString()
Returns a String representation of this EventObject.
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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.
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https://docs.oracle.com/javase/8/docs/api/java/util/EventObject.html