compact1, compact2, compact3
java.util
Class EventObject
- java.lang.Object
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- java.util.EventObject
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- 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
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Field Summary
Fields Modifier and Type Field and Description protected ObjectsourceThe object on which the Event initially occurred.
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Constructor Summary
Constructors Constructor and Description EventObject(Object source)Constructs a prototypical Event.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method and Description ObjectgetSource()The object on which the Event initially occurred.StringtoString()Returns a String representation of this EventObject.
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Field Detail
source
protected transient Object source
The object on which the Event initially occurred.
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Constructor Detail
EventObject
public EventObject(Object source)
Constructs a prototypical Event.- Parameters:
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source- The object on which the Event initially occurred. - Throws:
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IllegalArgumentException- if source is null.
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Method Detail
getSource
public Object getSource()
The object on which the Event initially occurred.- Returns:
- The object on which the Event initially occurred.
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For further API reference and developer documentation, see Java SE Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.
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