fileWriter.append(username); fileWriter.append(' '); fileWriter.append(requestString); fileWriter.append('\n');
fileWriter.write(username); fileWriter.write(' '); fileWriter.write(requestString.toString()); fileWriter.write('\n');
	private void storeRequest(String username, StringBuffer requestString) {		try {	        synchronized (fileWriterSynch) {	            FileWriter fileWriter = new FileWriter(filename, true);	            fileWriter.append(username);	            fileWriter.append(' ');	            fileWriter.append(requestString);	            fileWriter.append('\n');	            fileWriter.close();	        }		} catch (IOException e) {			System.out.println("Unable to store request.");			e.printStackTrace();		}	}