The parameters can be changed by simply modifying the startup of the application.
简单的修改一下应用程序的启动就可以改变参数。
2
At startup, the application server creates an instance of the class specified in the deployment descriptor and sets the properties the administrator has provided.
在启动时，应用服务器会创建在部署描述符中指定的类的一个实例，并设置管理员提供的属性。
3
The first section, Listing 6, covers the applicationstartup and the initialization of the view controller.