[Java] URL to IP address lookup [host, url, ip, server, convert, conversion]

IpFromUrl.java

import java.net.*;
import java.io.*;

public static class IpFromUrl {
  // Returns the IP address of an URL
  // i.e. http://www.facebook.com -> 123.456.789.10
  public static String getIp( String hostname ) throws IOException {
    try {
      InetAddress ipaddress = InetAddress.getByName(hostname);
      System.out.println("IP address: " + ipaddress.getHostAddress());
      return ipaddress.getHostAddress();
    }
    catch ( UnknownHostException e ){
      System.out.println("Could not find IP address for: " + hostname);
      throw new IOException("Could not find IP address for: " + hostname);
    }
  }
}