public static void main(String[] args) throws IOException {

         long cut = LocalDateTime.now().minusWeeks(1).toEpochSecond(ZoneOffset.UTC);

         Path path = Paths.get("D:\\test\\");

         Files.list(path).filter(n -> getLastModifiedTimeUnchecked(n).to(TimeUnit.SECONDS) < cut)

                 .forEach(n -> {

                     System.out.println(n);

                     delete(n, (t, u) -> System.err.format("Couldn't delete %s%n", t, u.getMessage())

                     );

                 });

     }

         public static FileTime getLastModifiedTimeUnchecked(Path path, LinkOption... options) throws UncheckedIOException {

             try {

                 return Files.getLastModifiedTime(path, options);

             } catch (IOException ex) {

                 throw new UncheckedIOException(ex);

             }

         }

         public static void delete(Path path, BiConsumer<Path, Exception> e) {

             try {

                 System.out.println(path);

                 Files.delete(path);

             } catch (IOException ex) {

                 e.accept(path, ex);

             }

         }

         public void deleteOldFile(){

             long cut = LocalDateTime.now().minusDays(3L).toEpochSecond(ZoneOffset.UTC);

             Path path = Paths.get("/path/to/delete");

             try {

                 Files.list(path)

                         .filter(n -> {

                             try {

                                 return Files.getLastModifiedTime(n).to(TimeUnit.SECONDS) < cut;

                             } catch (IOException ex) {

                                 //handle exception

                                 return false;

                             }

                         })

                         .forEach(n -> {

                             try {

                                 Files.delete(n);

                             } catch (IOException ex) {

                                 //handle exception

                             }

                         });

             } catch (IOException e) {

                 e.printStackTrace();

             }

         }