package com.bighai.forTest;
import java.io.IOException;
import java.net.URL;
import java.net.URLConnection;
import java.util.Map;
import java.util.Set;
public class CheckHttpResposneHeaders {
public static void main(String[] args) throws IOException{
URL url = new URL("http://pic.qihoo.com/belle/belle182.html");
URLConnection conn = url.openConnection();
Map headers = conn.getHeaderFields();
Set<String> keys = headers.keySet();
for( String key : keys ){
String val = conn.getHeaderField(key);
System.out.println(key+"    "+val);
}
System.out.println( conn.getLastModified() );
}
}
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