If you use Spring Data, a method such as findFirstByDriverAndStateIn tells you what a repository does before you open its implementation. Codename One now brings that repository model to both the client and backend, with generated Java code that can compile directly into a native executable.

What is Codename One? Codename One is an open-source framework for building native iOS, Android, desktop, and web apps from a single Java or Kotlin codebase. Learn more at codenameone.com .

The advantage is familiar data access with the runtime setup removed. The build generates concrete repository implementations. Native packaging compiles them ahead of time, so startup doesn't need to scan for repositories or generate proxies. Direct calls also give the compiler code it can analyze and optimize.

This week's Wayline application uses these repositories for its ride-hailing service.…