public static String readFile(String fileName) {
String output = "";
File file = new File(fileName);
if (file.exists()) {
if (file.isFile()) {
try {
BufferedReader input = new BufferedReader(new FileReader(
file));
StringBuffer buffer = new StringBuffer();
String text;
while ((text = input.readLine()) != null)
buffer.append(text + "\n");
output = buffer.toString();
} catch (IOException ioException) {
System.err.println("File Error!");
}