Java の例 - URL の解析

/*
 author by w3cschool.cc
 Main.java
 */import java.net.URL;public class Main {
   public static void main(String[] args) 
   throws Exception {
      URL url = new URL("http://www.w3cschool.cc/html/html-tutorial.html");
      System.out.println("URL 是 " + url.toString());
      System.out.println("协议是 " 
      + url.getProtocol());
      System.out.println("文件名是 " + url.getFile());
      System.out.println("主机是 " + url.getHost());
      System.out.println("路径是 " + url.getPath());
      System.out.println("端口号是 " + url.getPort());
      System.out.println("默认端口号是 " 
      + url.getDefaultPort());
   }}