Java:
HTTP 요청 보내기

import java.net.HttpURLConnection;
import java.net.URL;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.IOException;

public class HttpRequestExample {
    public static void main(String[] args) throws IOException {
        String urlToRequest = "http://example.com";
        URL url = new URL(urlToRequest);
        HttpURLConnection connection = (HttpURLConnection) url.openConnection();
        
        try {
            connection.setRequestMethod("GET");
            
            int responseCode = connection.getResponseCode();
            System.out.println("Response Code: " + responseCode);
            
            if (responseCode == HttpURLConnection.HTTP_OK) {
                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: " + response.toString());
            } else {
                System.out.println("GET request not worked");
            }
        } finally {
            connection.disconnect();
        }
    }
}