import java.io.IOException;

import java.net.URL;

import java.net.URLConnection;

public class HttpErrorChecker {

public static void main(String[] args) {

String urlString = "https://www.example.com/nonexistent_page"; // Replace with your URL

try {

URL url = new URL(urlString);

URLConnection connection = url.openConnection();

connection.connect(); // Initiate the connection

//Get the response status code

int statusCode = connection.getResponseCode();

if (statusCode >= 400) {

System.err.println("HTTP Error: " + statusCode); // Print error code

System.err.println("Response: " + connection.getResponseMessage()); //Display message

} else {

System.out.println("Request successful. Status Code: " + statusCode);

}

} catch (IOException e) {

System.err.println("IOException: " + e.getMessage()); //Handle connection errors

}

}

}