String array getMovieTitles String substr

String[] getMovieTitles(String substr) {

String response;

int startPage = 1;

int totalPages = Integer.MAX_VALUE;

List<String> titles = new ArrayList<>();

while (startPage <= totalPages) {

try {

URL obj = new URL("https://jsonmock.hackerrank.com/api/movies/search/?Title=" + substr + "&page=" + startPage);

HttpURLConnection con = (HttpURLConnection) obj.openConnection();

con.setRequestMethod("GET");

BufferedReader in = new BufferedReader(new InputStreamReader(con.getInputStream()));

while ((response = in.readLine()) != null) {

JsonObject convertedObject = new Gson().fromJson(response, JsonObject.class);

totalPages = convertedObject.get("total_pages").getAsInt();

JsonArray data = convertedObject.getAsJsonArray("data");

for (int i = 0; i < data.size(); i++) {

String title = data.get(i).getAsJsonObject().get("Title").getAsString();

titles.add(title);

}

}

in.close();

startPage++;

} catch (Exception ex) {

ex.printStackTrace();

}

}

Collections.sort(titles);

return titles.toArray(new String[0]);

}