得到的inputstream打印中文有关问题

    public void test() throws Throwable {        String path = "http://10.0.2.2:8080/GETDemo/MyServlet?format=name";        URL url = new URL(path);        HttpURLConnection conn = (HttpURLConnection) url.openConnection();        conn.setReadTimeout(5 * 1000);        conn.setRequestMethod("GET");        InputStream inputStream=conn.getInputStream();        int total=conn.getInputStream().available();        byte[]b=new byte[total];        inputStream.read(b);        String str=new String(b,"gbk");        System.out.println(str);    }