java里boardpanel是干什么的？

Class BoardPanel
java.lang.Object
|
+--java.awt.Component
|
+--java.awt.Container
|
+--javax.swing.JComponent
|
+--javax.swing.JPanel
|
+--BoardPanel
All Implemented Interfaces:
javax.accessibility.Accessible, java.awt.image.ImageObserver, java.awt.MenuContainer, java.io.Serializable

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public class BoardPanel
extends javax.swing.JPanel

See Also:
Serialized Form