Fetch IP address from http://caffinc.com/myip

MyIPDemo.java

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.URL;


/**
 * Fetches the IP address of the machine from http://caffinc.com/myip
 * @author Sriram
 */
public class MyIPDemo
{
    public static void main(String[] args) throws Exception {
        System.out.println( getIp() );
    }

    private static String getIp() throws IOException
    {
        try ( BufferedReader br = new BufferedReader(
            new InputStreamReader( new URL( "http://caffinc.com/myip/" ).openConnection().getInputStream() ) ) ) {
            String ip;
            if ( ( ip = br.readLine() ) != null ) {
                return ip;
            }
        }
        return null;
    }
}