code: public static LineString createDummyLine() {
          Coordinate[] c = new Coordinate[]{new Coordinate(0.0, 0.0), new Coordinate(1.0, 1.0), new Coordinate(1.0, 0.0)};
          LineString lineString = gf().createLineString(c);
          return lineString;
      }
docs: Creates a line that may help out as placeholder.
  
  @return a dummy {@link LineString}.