import java.io.*;  
import java.net.*;  
public class URLDemo 
{  
    public static void main(String[] args) 
    {  
        try 
        {  
            URL url=new URL("https://www.sanfoundry.com/java-mcq");  
            System.out.println("Protocol: "+url.getProtocol());  
            System.out.println("Host Name: "+url.getHost());  
            System.out.println("Port Number: "+url.getPort());   
        } catch(Exception e){System.out.println(e);}  
    }  
}

a) Protocol: http
b) Host Name: http://www.sanfoundry.com
c) Port Number: -1
d) All of the mentioned