import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;
public class HttpClientExample {
public static void main(String[] args) {
try {
URL url = new URL("http://example.com/api/resource");
HttpURLConnection connection = (HttpURLConnection) url.openConnection();
connection.setRequestMethod("GET");
BufferedReader reader = new BufferedReader(new InputStreamReader(connection.getInputStream()));
String line;
StringBuilder response = new StringBuilder();
while ((line = reader.readLine()) != null) {
response.append(line);
}
reader.close();
System.out.println(response.toString());
connection.disconnect();
} catch (Exception e) {
e.printStackTrace();
}
}
}
import java.io.BufferedReader;
import java.io.DataOutputStream;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;
import java.nio.charset.StandardCharsets;
public class HttpClientExample {
public static void main(String[] args) {
try {
URL url = new URL("http://example.com/api/resource");
HttpURLConnection connection = (HttpURLConnection) url.openConnection();
connection.setRequestMethod("POST");
connection.setDoOutput(true);
String data = "param1=value1¶m2=value2";
byte[] postData = data.getBytes(StandardCharsets.UTF_8);
int postDataLength = postData.length;
connection.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
connection.setRequestProperty("Content-Length", Integer.toString(postDataLength));
DataOutputStream outputStream = new DataOutputStream(connection.getOutputStream());
outputStream.write(postData);
outputStream.close();
BufferedReader reader = new BufferedReader(new InputStreamReader(connection.getInputStream()));
String line;
StringBuilder response = new StringBuilder();
while ((line = reader.readLine()) != null) {
response.append(line);
}
reader.close();
System.out.println(response.toString());
connection.disconnect();
} catch (Exception e) {
e.printStackTrace();
}
}
}
import java.io.BufferedReader;
import java.io.DataOutputStream;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;
import java.nio.charset.StandardCharsets;
public class HttpClientExample {
public static void main(String[] args) {
try {
URL url = new URL("http://example.com/api/resource");
HttpURLConnection connection = (HttpURLConnection) url.openConnection();
connection.setRequestMethod("PUT");
connection.setDoOutput(true);
String data = "new value";
byte[] postData = data.getBytes(StandardCharsets.UTF_8);
int postDataLength = postData.length;
connection.setRequestProperty("Content-Type", "text/plain");
connection.setRequestProperty("Content-Length", Integer.toString(postDataLength));
DataOutputStream outputStream = new DataOutputStream(connection.getOutputStream());
outputStream.write(postData);
outputStream.close();
BufferedReader reader = new BufferedReader(new InputStreamReader(connection.getInputStream()));
String line;
StringBuilder response = new StringBuilder();
while ((line = reader.readLine()) != null) {
response.append(line);
}
reader.close();
System.out.println(response.toString());
connection.disconnect();
} catch (Exception e) {
e.printStackTrace();
}
}
}
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;
public class HttpClientExample {
public static void main(String[] args) {
try {
URL url = new URL("http://example.com/api/resource");
HttpURLConnection connection = (HttpURLConnection) url.openConnection();
connection.setRequestMethod("DELETE");
BufferedReader reader = new BufferedReader(new InputStreamReader(connection.getInputStream()));
String line;
StringBuilder response = new StringBuilder();
while ((line = reader.readLine()) != null) {
response.append(line);
}
reader.close();
System.out.println(response.toString());
connection.disconnect();
} catch (Exception e) {
e.printStackTrace();
}
}
}
