Java: Obtenir la date de mise en ligne d’un document Web

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 url, date, url, java
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import java.net.HttpURLConnection;
import java.net.URL;
import java.util.Date;
 
public class Main{
  public static void main(String args[]) throws Exception {
    URL url = new URL("http://www.google.com");
    HttpURLConnection httpCon = (HttpURLConnection) url.openConnection();
 
    long date = httpCon.getDate();
    if (date == 0)
      System.out.println("Aucune information date n'est disponible.");
    else
      System.out.println("Date: " + new Date(date));
 
 }
}