public class TestBytes {

    private static String FORMAT = "UTF-8";

    public static void main(String[] args) throws UnsupportedEncodingException {

        byte[] bytes = new byte[] { 50, 0, -1, 28, -24 };

        String sendString=new String(  bytes ,FORMAT);

        byte[] sendBytes= sendString.getBytes(FORMAT);

        String recString=new String(sendBytes ,FORMAT);

        byte[] mybytes=recString.getBytes(FORMAT);

        for(int i = 0 ; i < mybytes.length ; i++){

            System.out.print(" ");

            System.out.print(mybytes[i ]);

        }

    }

}