public void preProcessQuery(String fileName, String outFile, int queryCol,
			HashSet<String> prodWords) {
		// HashSet for storing all the stop-words
		HashSet<String> stopwordsSet = new HashSet<String>();
		String stopwordFile = "xbox/stopwords.txt";
		FileReader fReader;
		BufferedReader bReader;
		try {
			fReader = new FileReader(stopwordFile);
			bReader = new BufferedReader(fReader);
			String line = null;
			while ((line = bReader.readLine()) != null) {
				// Adding new stop-words into the HashSet
				if (stopwordsSet.contains(line)) {
					continue;
				}
				stopwordsSet.add(line);
			}
			bReader.close();
			fReader.close();
		} catch (Exception exp) {
			exp.printStackTrace();
			System.exit(1);
		}

		// Performing all pre-processing activities after after passing the
		// HashSet of stop-words and stop-word file
		preProcessQueryHelper(fileName, stopwordsSet, outFile, queryCol,
				prodWords);
	}