code: public final static DateFormat getTimeInstance(int style)
      {
          return get(style, 0, 1, Locale.getDefault(Locale.Category.FORMAT));
      }
docs: Gets the time formatter with the given formatting style
  for the default locale.
  @param style the given formatting style. For example,
  SHORT for "h:mm a" in the US locale.
  @return a time formatter.