public static XYPoint [] readCoordinates(String fileName){
        XYPoint points [] = null;
        BufferedReader r;
        double nPoints;                          //# of points
        String nextline;
 
        try{
            InputStream is = new FileInputStream(fileName);
            r = new BufferedReader(new InputStreamReader(is));
        }
        catch (IOException e){
            System.out.println("IOException");
            return points;
        }
       //get # of points
        try{
        	nextline = r.readLine();
 
        	if (nextline == null){
        		System.out.println("Error");
        		return points;
        	}
 
        	nPoints = parseInteger(nextline);
 
 
        }
        catch (IOException e) {
            System.out.println("IOException" +
                               fileName + "\n" + e);
            return points;
        }
 
        points = new XYPoint [(int) nPoints];  
 
        //read in points
        for (int j = 0; j < nPoints; j++){            
        	try {
        		nextline = r.readLine();
 
        		if (nextline == null){
 
				    System.out.println("Error");
				    return points;
        		}
 
        		points[j] = parsePoint(nextline); //points here	
 
        	} catch (IOException e) {
        		System.out.println("IOException");
        		return points;
        	}
        }
 
	 return points;
    }
}

public static XYPoint [] readCoordinates(String fileName)