Example NetworkUtils wit URL builder

NetworkUtils.java

public final class NetworUtils {
        private static final String BASE_URL = "https://api.example.com";
        private static final String FORMAT = "json";
        private static final String QUERY_PARAM = "q";
        private static final String SOME_OTHER_PARAM = "param";
        
        public static URL buildUrl(String queryParam, String someOtherParam) {
                Uri constructUri = Uri.parse(BASE_URL).buildUpon()
                        .appendQueryParameter(QUERY_PARAM, queryParam)
                        .appendQueryParameter(SOME_OTHER_PARAM, someOtherParam)
                        .build();
                
                URL url = null;
                try {
                        url = new URL(constructUri.toString());
                } catch (MarlformedURLException e) {
                        e.printStackTrace();
                }
                
                return url;
        }
        
        public static String getResponseFromHttpUrl(URL url) throws IOException {
        HttpURLConnection urlConnection = (HttpURLConnection) url.openConnection();
        try {
            InputStream in = urlConnection.getInputStream();

            Scanner scanner = new Scanner(in);
            scanner.useDelimiter("\\A");

            boolean hasInput = scanner.hasNext();
            if (hasInput) {
                return scanner.next();
            } else {
                return null;
            }
        } finally {
            urlConnection.disconnect();
        }
    }
    
}