import java.net.URL; import java.net.URLConnection; public class MainClass { public static void main(String args[]) throws Exception { URL u = new URL("http://www.java2java.com"); URLConnection uc = u.openConnection(); for (int j = 1;; j++) { String header = uc.getHeaderField(j); if (header == null) break; System.out.println(uc.getHeaderFieldKey(j) + ": " + header); } } }