Verify if internet address is reachable

verifyifreachable.java

public boolean AddressReachable(String hostUrl) {
        try {
            URL url = new URL(hostUrl);
            final HttpURLConnection urlc = (HttpURLConnection) url.openConnection();
            urlc.setRequestProperty("User-Agent", "Android Application");
            urlc.setRequestProperty("Connection", "close");
            urlc.setConnectTimeout(10 * 1000);
            urlc.connect();
            // Fix per connessione con certificato
            if (urlc.getResponseCode() == 200 || urlc.getResponseCode() == 403) {
                return true;
            }
        } catch (Throwable e) {
            e.printStackTrace();
        }
        return false;
    }