EventObject (Java SE 10 & JDK 10 )

EventObject (Java SE 10 & JDK 10 )

java.lang.Object
- java.util.EventObject

All Implemented Interfaces:

Serializable

Direct Known Subclasses:

AppEvent, AWTEvent, BeanContextEvent, CaretEvent, ChangeEvent, ConnectionEvent, DragGestureEvent, DragSourceEvent, DropTargetEvent, Event, 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:

1.1

See Also:

Serialized Form

Field Summary

Fields
Modifier and Type Field Description

protected Object source
The object on which the Event initially occurred.

Constructor Summary

Constructors
Constructor Description

EventObject(Object source)
Constructs a prototypical Event.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`Object`	`getSource()`	The object on which the Event initially occurred.
`String`	`toString()`	Returns a String representation of this EventObject.

Methods declared in class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

- Field Detail
  - source
```
protected transient Object source
```
    The object on which the Event initially occurred.
- Constructor Detail
  - 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
- Method Detail
  - 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.
    
    Overrides:
    
    toString in class Object
    
    Returns:
    
    a String representation of this EventObject