Minecraft query method

Minecraftquery.java

public String[] minecraftQuery(String address) {
  return minecraftQuery(address, 25565);
}
public String[] minecraftQuery(String address, int port) {
  byte fe1 = (byte) 0xFE;
  byte fe2 = (byte) 0x01;
  byte[] fe = {fe1, fe2};
  Socket socket = null;
  try {
    socket = new Socket(address, port);
    BufferedReader is = new BufferedReader(new InputStreamReader(socket.getInputStream()));
    BufferedOutputStream os = new BufferedOutputStream(socket.getOutputStream());
    os.write(fe);
    os.flush();
    String response = is.readLine();
    response = response.substring(9);
    String[] data = response.split("\\u0000\\u0000");
    String[] output = new String[5];
    int i = 0;
    for (String Data : data) {
      String after = Data.trim().replaceAll("\u0000+", "");
      if (after == null || after == "") {
        continue;
      }
      output[i] = after;
      i++;
    }
    //output[0] = protocol version
    //output[1] = server version
    //output[2] = Motd
    //output[3] = Amount of players
    //output[4] = Maximum amount of players.
    return output;
  } catch (IOException e) {
    e.printStackTrace();
    return null;
  }