code: public static void loadVietnameseDict(String filename) {
  		try {
  			FileInputStream in = new FileInputStream(filename);
  			if (hsVietnameseDict == null) {
  				hsVietnameseDict = new HashSet();
  				BufferedReader reader = new BufferedReader(
  						new InputStreamReader(in, "UTF-8"));
  				String line;
  				while ((line = reader.readLine()) != null) {
  					if (line.substring(0, 2).equals("##")) {
  						String word = line.substring(2);
  						word = word.toLowerCase();
  						hsVietnameseDict.add(word);
  					}
  				}
  			}
  			// Print lacviet_dict into lacviet.dict file
  		} catch (Exception e) {
  			System.err.print(e.getMessage());
  			e.printStackTrace();
  		}
  	}
docs: Load vietnamese dict.
  
  @param filename the filename