All Headers : URLConnection « Network « Java Tutorial

1. Java Tutorial
2. Network
3. URLConnection

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.java2s.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);
    }
  }
}