<dependency> <groupId>org.apache.httpcomponents</groupId> <artifactId>httpclient</artifactId> <version>4.5.13</version> </dependency> import org.apache.http.HttpResponse; import org.apache.http.client.HttpClient; import org.apache.http.client.methods.HttpGet; import org.apache.http.impl.client.HttpClientBuilder; HttpClient httpClient = HttpClientBuilder.create().build(); HttpGet httpGet = new HttpGet("http://api.example.com/resource"); HttpResponse response = httpClient.execute(httpGet); int statusCode = response.getStatusLine().getStatusCode(); String responseBody = EntityUtils.toString(response.getEntity()); System.out.println("Status Code: " + statusCode); System.out.println("Response Body: " + responseBody); HttpClient httpClient = HttpClientBuilder.create().build(); HttpPost httpPost = new HttpPost("http://api.example.com/resource"); List<NameValuePair> params = new ArrayList<>(); params.add(new BasicNameValuePair("param1", "value1")); params.add(new BasicNameValuePair("param2", "value2")); httpPost.setEntity(new UrlEncodedFormEntity(params)); HttpResponse response = httpClient.execute(httpPost); int statusCode = response.getStatusLine().getStatusCode(); String responseBody = EntityUtils.toString(response.getEntity()); System.out.println("Status Code: " + statusCode); System.out.println("Response Body: " + responseBody);