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import java.net.URL; import java.net.URLConnection; import java.util.Date; public class MainClass {   public static void main(String args[]) throws Exception {     URL u = new URL("http://www.rntsoft.com");     URLConnection uc = u.openConnection();     System.out.println("Content-type: " + uc.getContentType());     System.out.println("Content-encoding: " + uc.getContentEncoding());     System.out.println("Date: " + new Date(uc.getDate()));     System.out.println("Last modified: " + new Date(uc.getLastModified()));     System.out.println("Expiration date: " + new Date(uc.getExpiration()));     System.out.println("Content-length: " + uc.getContentLength());   } } Content-type: text/html Content-encoding: null Date: Thu May 24 18:41:00 PDT 2007 Last modified: Fri May 18 08:20:08 PDT 2007 Expiration date: Wed Dec 31 16:00:00 PST 1969 Content-length: 345648