程序包 java.util

类 EventObject

java.lang.Object

java.util.EventObject

所有已实现的接口:

Serializable

直接已知子类:

ConnectionEvent, HandshakeCompletedEvent, NodeChangeEvent, PreferenceChangeEvent, PropertyChangeEvent, RowSetEvent, SSLSessionBindingEvent, StatementEvent

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.

从以下版本开始:

JDK1.1

另请参阅:

序列化表格

字段概要

字段

限定符和类型	字段	说明
protected Object	source	The object on which the Event initially occurred.

构造器概要

构造器

构造器	说明
EventObject(Object source)	Constructs a prototypical Event.

方法概要

限定符和类型	方法	说明
Object	getSource()	The object on which the Event initially occurred.
String	toString()	Returns a String representation of this EventObject.

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

字段详细资料

source

protected transient Object source

The object on which the Event initially occurred.

构造器详细资料

EventObject

public EventObject(Object source)

Constructs a prototypical Event.

参数:

source - The object on which the Event initially occurred.

抛出:

IllegalArgumentException - if source is null.

方法详细资料

getSource

public Object getSource()

The object on which the Event initially occurred.

返回:

The object on which the Event initially occurred.

toString

public String toString()

Returns a String representation of this EventObject.

覆盖:

toString 在类中 Object

返回:

A a String representation of this EventObject.