import java.net.*; import java.io.*; import java.util.*; HttpClient httpClient = new HttpClient(); String url = "http://example.com/api/data"; httpClient.setUrl(url); httpClient.setRequestMethod("GET"); httpClient.addRequestHeader("Authorization", "Bearer <token>"); Map<String, String> parameters = new HashMap<>(); parameters.put("key1", "value1"); parameters.put("key2", "value2"); httpClient.setRequestParameters(parameters); HttpResponse response = httpClient.executeRequest(); int statusCode = response.getStatusCode(); Map<String, String> responseHeaders = response.getResponseHeaders(); String responseBody = response.getResponseBody(); try { } catch (HttpException e) { } catch (IOException e) { }