private ArrayList<String> readFile(String fileName){
		ArrayList<String> array = new ArrayList<String>();
		
		File file = new File(fileName);
	    Scanner in;
		try {
			in = new Scanner(file);
			while (in.hasNextLine())
		    	array.add(in.nextLine());
		    	
		    in.close();
		} catch (FileNotFoundException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		return array;
	}