urldemo.java

java2应用开发指南第一版

//【代码19-1-1】
//URLDemo.java
import java.net.*;
class URLDemo
{
	public URL aURL;
	public URLDemo(URL aURL)
	{
		this.aURL = aURL;
	}
	public void listDetails()
	{
		System.out.println(aURL.getProtocol());
		System.out.println(aURL.getHost());
		System.out.println(aURL.getFile());
		System.out.println(aURL.getPort());
		System.out.println(aURL.getRef());
	}
	public static void main(String args[])
	{
	 URL url=null;
	 try
	 {
		url =new URL("http://www.tsinghua.edu.cn:80/document/index.html#MAP");
      }
	  catch(MalformedURLException e)
	  {
			e.printStackTrace();
      }
		URLDemo aURLDemo = new URLDemo(url);
		aURLDemo.listDetails();
	}
}