How sort array

[Rubén V]

Hi,

I have a trivial problem. I am trying to sort an array whose data model implements the PropertyBusinessObject classes. The field I want to sort by is "distance."

My code:

        Response<Map> jVisita = VisitaService.listaVisitas(System.currentTimeMillis());

        Map<Integer, Visita> m = jVisita.getResponseData();

        ArrayList tVisita = (ArrayList) Result.fromContent(m).getAsArray("root");

        ArrayList aVisita = new ArrayList();

        Visita v = new Visita();

        for (Object t : tVisita) {

            v.getPropertyIndex().populateFromMap((Map) t);

            v.distancia.set(distancia(v.latitud.get(), v.longitud.get()));

            aVisita.add(v);

        }

        aVisita.sort(Comparator.comparing(Visita::distancia.get()));  //SHOW ERROR

[Dave Dyer]

Also make it implement java.lang.Comparable, use Arrays.sort

[Shai Almog]

You asked how to sort an array but you're sorting an ArrayList which is a list.

You do that with Collections.sort().