Header.java

package org.lobobrowser.html.test;

import java.io.IOException;
import java.net.URL;
import java.net.URLConnection;
import java.util.List;
import java.util.Map;

public class Header {
	
	public static void main(String[] args) throws IOException {
		URL obj = new URL("http://mkyong.com");
		URLConnection conn = obj.openConnection();
		
		//get all headers
		Map<String, List<String>> map = conn.getHeaderFields();
		for (Map.Entry<String, List<String>> entry : map.entrySet()) {
			//if("Content-Type".equals(entry.getKey())){
				for (int i = 0; i < entry.getValue().size(); i++) {
					System.out.println(entry.getValue().get(i));
				} 
			//}
		}
	}

}