//Example 3 of Chapter 9

import java.net.*; 

public class NetIpAddressDemo3
{
	public static void main( String[] args )
	{
		try {
			URL url = new URL( "http://www.sina.com/index.html" );
			System.out.println( "URL: " + url );
			System.out.println( "Protocal: " + url.getProtocol() );
			System.out.println( "Host: " + url.getHost() );
			System.out.println( "Port: " + url.getPort() );
			System.out.println( "File: " + url.getFile() );
			System.out.println( "REF: " + url.getRef() );
		}
		catch(MalformedURLException e)
		{
			System.out.println( e.toString() );
		}
	}
}