In which case the mobile application will run the application faster. Faster to load goods into the application?

Question

Java

Hello, what is the best way to start making an application for a novice java developer. Load data into the store application from a database from a server or from an xml file that will be generated regularly by a cron task?

Answer 1

from the database from the server (REST API) + cache on the device + cache invalidation. At the same time you are pumping.