Java 实例 – 解析 URL

import java.net.URL;
 
public class Main {
   public static void main(String[] args) 
   throws Exception {
      URL url = new URL("https://www.itzixishi.com/course/java/java-course.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());
   }
}