1. Apache HttpClient
2. OkHttp
<dependencies>
<dependency>
<groupId>org.apache.httpcomponents</groupId>
<artifactId>httpclient</artifactId>
<version>4.5.13</version>
</dependency>
</dependencies>
import org.apache.http.HttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClientBuilder;
import java.io.BufferedReader;
import java.io.InputStreamReader;
public class HttpClientExample {
public static void main(String[] args) throws Exception {
CloseableHttpClient httpClient = HttpClientBuilder.create().build();
HttpGet request = new HttpGet("https://api.example.com/endpoint");
HttpResponse response = httpClient.execute(request);
BufferedReader reader = new BufferedReader(new InputStreamReader(response.getEntity().getContent()));
String line;
StringBuilder result = new StringBuilder();
while ((line = reader.readLine()) != null) {
result.append(line);
}
System.out.println(result.toString());
httpClient.close();
}
}
import org.apache.http.HttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClientBuilder;
import com.fasterxml.jackson.databind.ObjectMapper;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.util.Map;
public class HttpClientExample {
public static void main(String[] args) throws Exception {
CloseableHttpClient httpClient = HttpClientBuilder.create().build();
HttpGet request = new HttpGet("https://api.example.com/endpoint");
HttpResponse response = httpClient.execute(request);
BufferedReader reader = new BufferedReader(new InputStreamReader(response.getEntity().getContent()));
StringBuilder result = new StringBuilder();
String line;
while ((line = reader.readLine()) != null) {
result.append(line);
}
ObjectMapper objectMapper = new ObjectMapper();
Map<String, Object> responseMap = objectMapper.readValue(result.toString(), Map. class);
System.out.println(responseMap);
httpClient.close();
}
}
