public class EventObject extends Object implements Serializable
所有事件状态对象应从其派生的根类。
所有事件的构造与对象的引用,“源”,逻辑上被认为是最初发生事件的对象。
Constructor and Description |
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EventObject(Object source)
构建一个典型的事件。
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protected transient Object source
public EventObject(Object source)
source
- 事件最初发生的对象。
IllegalArgumentException
- 如果source为null。
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