/** * read a file and converting it to String using StringBuilder */ public static String stringBuilder(String fileName) throws IOException { StringBuilder sbuilder = null; FileInputStream fStream = null; BufferedReader input = null; try { fStream = new FileInputStream(fileName); input = new BufferedReader(new InputStreamReader(fStream, "UTF-8")); sbuilder = new StringBuilder(); String str = input.readLine(); while (str != null) { sbuilder.append(str); str = input.readLine(); if (str != null) { sbuilder.append("\n"); } } } finally { input.close(); fStream.close(); } return sbuilder.toString(); } /** * read a file and converting it to String using StringWriter */ public ...