>The real reason to move away from Java is to move towards different software architectures (microservices!)

This is a SpringBoot microservice:

@RestController public class BasicController {

    @RequestMapping(value="/{id}", method = RequestMethod.GET)
    public String get(@PathVariable("id")Integer id) {
        return doStuff(id);
    }

}

I'm not sure it's any more verbose than the equivalent Ruby on Rails microservice (for example).