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Java™ Platform Standard Ed. 6 |
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java.lang.Objectjava.util.EventObject
public class 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.
Field Summary | |
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protected Object |
source
The object on which the Event initially occurred. |
Constructor Summary | |
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EventObject(Object source)
Constructs a prototypical Event. |
Method Summary | |
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Object |
getSource()
The object on which the Event initially occurred. |
String |
toString()
Returns a String representation of this EventObject. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Field Detail |
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protected transient Object source
Constructor Detail |
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public EventObject(Object source)
source
- The object on which the Event initially occurred.
IllegalArgumentException
- if source is null.Method Detail |
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public Object getSource()
public String toString()
toString
in class Object
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Java™ Platform Standard Ed. 6 |
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