code: public Coordinate[] getCoordinates() {
  		if (isEmpty()) {
  			return null;
  		}
  		Coordinate[] coordinates = new Coordinate[getNumPoints()];
  		int count = 0;
  		for (LineString lineString : lineStrings) {
  			for (int j = 0; j < lineString.getNumPoints(); j++) {
  				coordinates[count++] = lineString.getCoordinateN(j);
  			}
  		}
  		return coordinates;
  	}
docs: Get the full concatenated list of coordinates of all the LineStrings in this MultiLineString geometry.