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;
import java.io.BufferedReader;
import java.io.InputStreamReader;
public class HttpClientExample {
public static void main(String[] args) {
HttpClient httpClient = HttpClientBuilder.create().build();
HttpGet getRequest = new HttpGet("http://api.example.com/data");
try {
HttpResponse response = httpClient.execute(getRequest);
BufferedReader reader = new BufferedReader(
new InputStreamReader(response.getEntity().getContent()));
String line;
while ((line = reader.readLine()) != null) {
System.out.println(line);
}
} catch (Exception e) {
e.printStackTrace();
}
}
}
import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.Response;
import java.io.IOException;
public class OkHttpExample {
public static void main(String[] args) {
OkHttpClient httpClient = new OkHttpClient();
Request request = new Request.Builder()
.url("http://api.example.com/data")
.build();
try {
Response response = httpClient.newCall(request).execute();
System.out.println(response.body().string());
} catch (IOException e) {
e.printStackTrace();
}
}
}
import org.springframework.http.ResponseEntity;
import org.springframework.web.client.RestTemplate;
public class RestTemplateExample {
public static void main(String[] args) {
RestTemplate restTemplate = new RestTemplate();
ResponseEntity<String> response = restTemplate.getForEntity("http://api.example.com/data", String.class);
System.out.println(response.getBody());
}
}
