@PostMapping("/reverse")
    public List<String> reverseList(@RequestBody List<String> stringList) {
        return IntStream.range(0, stringList.size())
                .mapToObj(i -> stringList.get(stringList.size() - 1 - i))
                .collect(Collectors.toList());
    }

curl -H "Content-Type: application/json" -d "[\"One\",\"Two\",\"Three\",\"Four\",\"Five\"]" localhost:8080/hello/reverse

["Five","Four","Three","Two","One"]

"5+6+8+9+10"

curl -H "Content-Type: application/json" -d "[\"One\",\"Two\",\"Three\",\"Four\",\"Five\"]" localhost:8080/hello/reverse

@RestController
@RequestMapping("/hello")
public class HelloController {
 
    private final NamesDAO namesDAO;
 
    public HelloController(NamesDAO namesDAO) {
        this.namesDAO = namesDAO;
    }
 
 
    
    
    @PostMapping("/reverse")
    public List<String> reverseList(@RequestBody String string) {
        List<String> stringList = Arrays.asList(string.split("+"));
        return IntStream.range(0, stringList.size())
                .mapToObj(i -> stringList.get(stringList.size() - 1 - i))
                .collect(Collectors.toList());
    }
 
 
 
}

 curl -H "Content-Type: application/json" -d  и вот здесь текста

curl -H "Content-Type: application/json" -d '["text":"One+Two+Three+Four+Five"]' localhost:8080/hello/reverse

curl -H "Content-Type: application/json" -d "[\"One\",\"Two\",\"Three\",\"Four\",\"Five\"]" localhost:8080/hello/reverse

 -d "[\"One\",\"Two\",\"Three\",\"Four\",\"Five\"]

curl -H "Content-Type: application/json" -d "один, два, три, четыре, пять" localhost:8080/hello/reverse