May 14, 2021 JFinal manual
The JFinalConfig sub-class needs to implement five abstract methods, as follows:
public class DemoConfig extends JFinalConfig
{ publicvoid configConstant(Constants me)
{} public void configRoute(Routesme) {}
publicvoid configPlugin(Plugins me) {}
public void configInterceptor(Interceptors me) {}
public void configHandler(Handlersme) {}
}