byte[] buff = new byte[1024];

        ByteArrayInputStream bAIM = new ByteArrayInputStream(buff);

        System.out.println((char) bAIM.read());

        byte[] buff = new byte[1024];

        ByteArrayOutputStream bAOM = new ByteArrayOutputStream();

        ByteArrayOutputStream bAOM2 = new ByteArrayOutputStream(64);

        bAOM.write(buff, 0, 2);

        bAOM.writeTo(bAOM2);

        byte [] buff2=bAOM2.toByteArray();

        System.out.println(new String(buff2));

        String res= bAOM.toString("utf-8");

        System.out.println(res);