CoordinateSequence2D implements CoordinateSequence, Cloneable { public int getDimension() { return 2; } CoordinateSequence2D(int n);  CoordinateSequence2D(double... xy); int getDimension(); Coordinate getCoordinate(int index); Coordinate getCoordinateCopy(int index); void getCoordinate(int index, Coordinate coord); double getX(int index); double getY(int index); double getOrdinate(int index, int ordinateIndex); int size(); void setOrdinate(int index, int ordinateIndex, double value); void setX(int index, double value); void setY(int index, double value); void setXY(int index, double x, double y); Coordinate[] toCoordinateArray(); Envelope expandEnvelope(Envelope env); @Override Object clone(); CoordinateSequence copy();  }
@Test public void testGetDimension() { CoordinateSequence2D cs = new CoordinateSequence2D(1); assertEquals(2, cs.getDimension()); }