Java Example - Parsing URL

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The following example demonstrates how to use the net.URL class methods such as url.getProtocol(), url.getFile() to parse a URL address:

Main.java file

import java.net.URL; public class Main { public static void main(String[] args) throws Exception { URL url = new URL("http://www.example.com/html/html-tutorial.html"); System.out.println("URL is" + url.toString()); System.out.println("Protocol is" + url.getProtocol()); System.out.println("File name is" + url.getFile()); System.out.println("Host is" + url.getHost()); System.out.println("Path is" + url.getPath()); System.out.println("Port number is" + url.getPort()); System.out.println("Default port number is" + url.getDefaultPort()); } }

The output of running the above code is:

URL 是 http://www.example.com/html/html-tutorial.html
协议是 http
文件名是 /html/html-tutorial.html
主机是 www.example.com
路径是 /html/html-tutorial.html
端口号是 -1
默认端口号是 80

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