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.
| Modifier and Type | Field and Description | 
|---|---|
| protected Object | sourceThe object on which the Event initially occurred. | 
| Constructor and Description | 
|---|
| EventObject(Object source)Constructs a prototypical Event. | 
| 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. | 
protected transient Object source
public EventObject(Object source)
source - The object on which the Event initially occurred.IllegalArgumentException - if source is null.public Object getSource()