Java URL Class

URL stands for Uniform Resourse Locator. The URL provides the logically understandable form of uniquely identifying the resource or address information on the Internet.
The URL class provides a simple, concise API to access information over the Internet.

URL Class Methods

MethodDescription
String getAuthority()Returns the authority part of the URL.
int defaultPort()Returns the default port number of the protocol associated with given URL.
String getFile()Returns the file name of the given URL.
String getHost()Returns the host name of the URL.
String getPath()Returns the complete path of the given URL.
int getPort()Returns the port number of the given URL. If it is not applicable, it returns -1.
String getQuery()Returns the query part of the given URL.
String getProtocol()Returns the name of the protocol of the given URL.

Example: Illustrating different methods of URL class

import java.net.*;
public class URLDemo
{
    public static void main(String args[]) throws MalformedURLException
    {
        URL url = new URL("http://www.tutorialride.com/java-technologies.htm");
        System.out.println("URL: " + url.toString());
        System.out.println("Protocol: "+url.getProtocol());
        System.out.println("path: " + url.getPath());
        System.out.println("Port: "+url.getPort());
        System.out.println("Host: "+url.getHost());
        System.out.println("Authority: " + url.getAuthority());
        System.out.println("File: "+url.getFile());
        System.out.println("Query: "+url.getQuery());
        System.out.println("HashCode: "+url.hashCode());
        System.out.println("External form: "+url.toExternalForm());
    }
}


Output:
URL: http://www.tutorialride.com/java-technologies.htm
Protocol: http
path: /java-technologies.htm
Port: -1
Host: www.tutorialride.com
Authority: www.tutorialride.com
File: /java-technologies.htm
Query: null
HashCode: -491067311
External form: http://www.tutorialride.com/java-technologies.htm
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