<dependency>
<groupId>org.apache.httpcomponents</groupId>
<artifactId>httpclient</artifactId>
<version>4.5.13</version>
</dependency>
groovy
implementation 'org.apache.httpcomponents:httpclient:4.5.13'
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;
public class GetRequestExample {
public static void main(String[] args) throws Exception {
URL url = new URL("https://api.example.com/data");
HttpURLConnection connection = (HttpURLConnection) url.openConnection();
connection.setRequestMethod("GET");
connection.setInstanceFollowRedirects(false);
connection.setRequestProperty("User-Agent", "Mozilla/5.0");
int responseCode = connection.getResponseCode();
System.out.println("Response Code: " + responseCode);
BufferedReader in = new BufferedReader(new InputStreamReader(connection.getInputStream()));
String inputLine;
StringBuilder response = new StringBuilder();
while ((inputLine = in.readLine()) != null) {
response.append(inputLine);
}
in.close();
System.out.println(response.toString());
}
}
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;
public class PostRequestExample {
public static void main(String[] args) throws Exception {
URL url = new URL("https://api.example.com/data");
HttpURLConnection connection = (HttpURLConnection) url.openConnection();
connection.setRequestMethod("POST");
connection.setInstanceFollowRedirects(false);
connection.setRequestProperty("User-Agent", "Mozilla/5.0");
connection.setRequestProperty("Content-Type", "application/json; utf-8");
String json = "{ \"key\": \"value\" }";
connection.getOutputStream().write(json.getBytes("utf-8"));
int responseCode = connection.getResponseCode();
System.out.println("Response Code: " + responseCode);
BufferedReader in = new BufferedReader(new InputStreamReader(connection.getInputStream()));
String inputLine;
StringBuilder response = new StringBuilder();
while ((inputLine = in.readLine()) != null) {
response.append(inputLine);
}
in.close();
System.out.println(response.toString());
}
}
