EventObject
public
class
EventObject
extends Object
implements
Serializable
| java.lang.Object | |
| ↳ | java.util.EventObject |
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.
Summary
Fields | |
|---|---|
protected
Object |
source
The object on which the Event initially occurred. |
Public constructors | |
|---|---|
EventObject(Object source)
Constructs a prototypical Event. |
|
Public methods | |
|---|---|
Object
|
getSource()
The object on which the Event initially occurred. |
String
|
toString()
Returns a String representation of this EventObject. |
Inherited methods | |
|---|---|
Fields
source
protected Object source
The object on which the Event initially occurred.
Public constructors
EventObject
public EventObject (Object source)
Constructs a prototypical Event.
| Parameters | |
|---|---|
source |
Object: The object on which the Event initially occurred. |
| Throws | |
|---|---|
IllegalArgumentException |
if source is null. |
Public methods
getSource
public Object getSource ()
The object on which the Event initially occurred.
| Returns | |
|---|---|
Object |
The object on which the Event initially occurred. |
toString
public String toString ()
Returns a String representation of this EventObject.
| Returns | |
|---|---|
String |
A a String representation of this EventObject. |