import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.util.EntityUtils;
public class ApacheHttpClientExample {
public static void main(String[] args) throws Exception {
CloseableHttpClient httpClient = HttpClients.createDefault();
HttpGet httpGet = new HttpGet("http://example.com");
CloseableHttpResponse httpResponse = httpClient.execute(httpGet);
System.out.println("Response Code: " + httpResponse.getStatusLine().getStatusCode());
System.out.println("Response Body: " + EntityUtils.toString(httpResponse.getEntity()));
httpClient.close();
}
}
import okhttp3.MediaType;
import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.RequestBody;
import okhttp3.Response;
public class OkHttpExample {
public static final MediaType JSON = MediaType.parse("application/json; charset=utf-8");
public static void main(String[] args) throws Exception {
OkHttpClient client = new OkHttpClient();
String jsonBody = "{\"name\":\"John\", \"age\":30}";
RequestBody body = RequestBody.create(jsonBody, JSON);
Request request = new Request.Builder()
.url("http://example.com/api")
.post(body)
.build();
Response response = client.newCall(request).execute();
System.out.println("Response Code: " + response.code());
System.out.println("Response Body: " + response.body().string());
client.close();
}
}
import org.springframework.web.reactive.function.client.WebClient;
public class SpringWebClientExample {
public static void main(String[] args) {
WebClient client = WebClient.create();
client.get()
.uri("http://example.com")
.retrieve()
.bodyToMono(String.class)
.subscribe(response -> {
System.out.println("Response Body: " + response);
});
}
}