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 | |
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EventObject(Object source)
Constructs a prototypical Event. |
Public methods | |
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Object
|
getSource()
The object on which the Event initially occurred. |
String
|
toString()
Returns a String representation of this EventObject. |
Inherited methods | |
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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 | |
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source |
Object : the object on which the Event initially occurred |
Throws | |
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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 String representation of this EventObject |