Re: Get ip of localmachine

From:

Wayne <nospam@all4me.invalid>

Newsgroups:

comp.lang.java.programmer

Date:

Thu, 06 Mar 2008 05:14:04 -0500

Message-ID:

<47cfc3df$0$4942$4c368faf@roadrunner.com>

BigZero wrote:

Hello,

how do i get local machine ip,
I tried this one the following code

InetAddress group = InetAddress.getByName("localhost");
System.out.println("\nip"+add.getHostAddress().toString());
it returns loopback ip ie 127.0.0.1
so plz any one can help me.....!

Thanks
Vijay

<sscce>
// "Quick and Dirty" Demo to show how to list a host's IP address(es).
// Written 3/2008 by Wayne

import java.net.*;
import java.util.*;
import static java.lang.System.out;

public class ShowIPAddresses
{
  public static void main ( String [] args ) throws Exception {
    InetAddress addr = InetAddress.getLocalHost();
    out.println( "My main IP is: " + addr.getHostAddress() + "\n" );

    out.println( "----------------------------" );

    Enumeration<NetworkInterface> nics =
      NetworkInterface.getNetworkInterfaces();

    while ( nics.hasMoreElements() ) {
       NetworkInterface nic = nics.nextElement();
       out.println( "IP addresses for NIC \"" + nic.getName() + "\" ("
          + nic.getDisplayName() + ")");
       for ( Enumeration<InetAddress> addrs = nic.getInetAddresses();
          addrs.hasMoreElements(); )
       out.println( "\t" + addrs.nextElement().getHostAddress() );
    }
  }
}
</sscce>