1 import java.net.*;
2 import java.io.*;
3
4 public class URLDemo
5 {
6 public static void main(String [] args)
7 {
8 try
9 {
10 URL url = new URL("http://www.runoob.com/index.html?language=cn#j2se");
11 System.out.println("URL 为：" + url.toString());//URL 为：http://www.runoob.com/index.html?language=cn#j2se
12 System.out.println("协议为：" + url.getProtocol());//协议为：http
13 System.out.println("验证信息：" + url.getAuthority());//验证信息：www.runoob.com
14 System.out.println("文件名及请求参数：" + url.getFile());//文件名及请求参数：/index.html?language=cn
15 System.out.println("主机名：" + url.getHost());//主机名：www.runoob.com
16 System.out.println("路径：" + url.getPath());//路径：/index.html
17 System.out.println("端口：" + url.getPort());//端口：-1
18 System.out.println("默认端口：" + url.getDefaultPort());//默认端口：80
19 System.out.println("请求参数：" + url.getQuery());//请求参数：language=cn
20 System.out.println("定位位置：" + url.getRef());//定位位置：j2se
21 }catch(IOException e)
22 {
23 e.printStackTrace();
24 }
25 }
26 }
