code: public FileTime getLastModifiedTime(Path path, LinkOption... options)
      {
          try {
              return Files.getLastModifiedTime(path, options);
          } catch (IOException e) {
              return null;
          }
      }
docs: See {@link Files#getLastModifiedTime(Path, LinkOption...)}.
  
  @param path See {@link Files#getLastModifiedTime(Path, LinkOption...)}
  @param options See {@link Files#getLastModifiedTime(Path, LinkOption...)}
  @return See {@link Files#getLastModifiedTime(Path, LinkOption...)}