Grails 2.x added a new method in params object “list”. This method is used in case you are not sure weather you got a string(single request parameters of a name) or a list(multiple request parameters of the same name) in params. This method always return a...

Request, response and session objects are implicitly available in controllers, views and tag libraries and hence we can easily set or get data from these objects but in services these objects are not implicitly available. If you want to set or get data from these...