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我有三个面板用于插入、修改和删除用户,如果我在未显示的JFrame值中插入一个值,但如果我关闭应用程序并再次打开它,新记录就在那里。insertJpanelmodifyPaneldeletePanel
JFrame
insertJpanel
modifyPanel
deletePanel
我怎么能JPanels一起刷新?
JPanels