code: public static String changeFormatAndTimeZone(String isoTimestamp,
              String toBeTimeFormat) {
          return changeFormatAndTimeZone(isoTimestamp, toBeTimeFormat,
                  DEFAULT_ZONE_ID);
      }
docs: Change format and time zone string.
  
  @param isoTimestamp   the iso timestamp
  @param toBeTimeFormat the to be time format
  @return the string