public DistanceMatrixApiRequest origins(String... origins) {
    return param("origins", join('|', origins));
  }
One or more addresses from which to calculate distance and time. The service will geocode the
strings and convert them to latitude/longitude coordinates to calculate directions.

@param origins Strings to geocode and use as an origin point (e.g. "New York, NY")
@return Returns this {@code DistanceMatrixApiRequest} for call chaining.
src/main/java/com/google/maps/DistanceMatrixApiRequest.java