code: public void addCoordinate(Coordinate coordinate) {
  		Coordinate[] newCoords = new Coordinate[coordinates.length + 1];
  		System.arraycopy(coordinates, 0, newCoords, 0, coordinates.length);
  		newCoords[coordinates.length] = coordinate;
  		setCoordinates(newCoords);
  	}
docs: Add a coordinate to the path.
  
  @param coordinate