Get response header from HTTP request : URLConnection « Network Protocol « Java

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Java » Network Protocol » URLConnectionScreenshots 
Get response header from HTTP request
    
 
import java.net.URL;
import java.net.URLConnection;
import java.util.Iterator;
import java.util.List;
import java.util.Map;

public class Main {
  public static void main(String[] argsthrows Exception {
    URL url = new URL("http://www.google.com/index.html");
    URLConnection connection = url.openConnection();

    Map responseMap = connection.getHeaderFields();
    for (Iterator iterator = responseMap.keySet().iterator(); iterator.hasNext();) {
      String key = (Stringiterator.next();
      System.out.println(key + " = ");

      List values = (ListresponseMap.get(key);
      for (int i = 0; i < values.size(); i++) {
        Object o = values.get(i);
        System.out.println(o + ", ");
      }
    }
  }
}

   
    
    
    
  
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