I want to print out only the information I want from Java open api parsing, what should I do?

private static final String USER_AGENT = "Mozilla/5.0";
private String Address;
private URL Url;
private BufferedReader br;
private HttpURLConnection con;
private String protocol = "GET";

public Web_Parser_Default() throws Exception
{
    Address        =        "http://whois.kisa.or.kr/openapi/whois.jsp?query=kisa.or.kr&key=xxxx";

    Url = new URL(this.Address);

    con = (HttpURLConnection)Url.openConnection();
    con.setRequestMethod(protocol);
    con.setRequestProperty("User-Agent", USER_AGENT);

    br = new BufferedReader(new InputStreamReader(con.getInputStream(), "UTF-8"));

    String line;
    while((line = br.readLine()) != null)
    {
        System.out.println(line);
    }

    br.close();

}

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

    Web_Parser_Default w = new Web_Parser_Default();

}