Formatar string ?!

Galera ajuda eu com essa formatção, to lendo os bytes da porta serial assim:

import <a href="http://java.io">java.io</a>.<em>;

import java.util.</em>;

import javax.comm.*;

public class SimpleRead implements Runnable, SerialPortEventListener {

static CommPortIdentifier portId;

static Enumeration portList;

InputStream inputStream;
SerialPort serialPort;
Thread readThread;

public static void main(String[] args) {
    portList = CommPortIdentifier.getPortIdentifiers();

    while (portList.hasMoreElements()) {
        portId = (CommPortIdentifier) portList.nextElement();
        if (portId.getPortType() == CommPortIdentifier.PORT_SERIAL) {
             if (portId.getName().equals("COM1")) {
            //if (portId.getName().equals("/dev/term/a")) {
                SimpleRead reader = new SimpleRead();
            }
        }
    }
}

public SimpleRead() {
    try {
        serialPort = (SerialPort) portId.open("SimpleReadApp", 2000);
    } catch (PortInUseException e) {}
    try {
        inputStream = serialPort.getInputStream();
    } catch (IOException e) {}
try {
        serialPort.addEventListener(this);
} catch (TooManyListenersException e) {}
    serialPort.notifyOnDataAvailable(true);
    try {
        serialPort.setSerialPortParams(9600,
            SerialPort.DATABITS_7,
            SerialPort.STOPBITS_1,
            SerialPort.DATABITS_7);
    } catch (UnsupportedCommOperationException e) {}
    readThread = new Thread(this);
    readThread.start();
}

public void run() {
    try {
        Thread.sleep(10000);
    } catch (InterruptedException e) {}
}

public void serialEvent(SerialPortEvent event) {
    switch(event.getEventType()) {
    case SerialPortEvent.BI:
    case SerialPortEvent.OE:
    case SerialPortEvent.FE:
    case SerialPortEvent.PE:
    case SerialPortEvent.CD:
    case SerialPortEvent.CTS:
    case SerialPortEvent.DSR:
    case SerialPortEvent.RI:
    case SerialPortEvent.OUTPUT_BUFFER_EMPTY:
        break;
    case SerialPortEvent.DATA_AVAILABLE:
        byte[] readBuffer = new byte[10];
      
        
        try {
            while (inputStream.available() > 0) {
                int numBytes = inputStream.read(readBuffer);
            }
            System.out.print(new String(readBuffer));
        } catch (IOException e) {}
        break;
    }
}