如何从JAccordion中获取所选项目?

问题描述:

我想在我的应用程序中添加一个JAccordion,根据所选项目,一个合适的面板将是actif(我正在使用cardLayout),所以我的问题如何知道哪个项目被选中。

I want to add a JAccordion to my application and according to the selected item an appropriate panel will be actif (i'm using cardLayout),so my question how can i know which item has been selected.