import java.net.*;

public class Test6 {

    public static void main(String[] args) {

        // TODO Auto-generated method stub

        InetAddress ia=null;

        try {

            ia=ia.getLocalHost();

            String localname=ia.getHostName();

            String localip=ia.getHostAddress();

            System.out.println("本机名称是："+ localname);

            System.out.println("本机的ip是 ："+localip);

        } catch (Exception e) {

            // TODO Auto-generated catch block

            e.printStackTrace();

        }

    }

}

public static List<String> getLocalIPList() {

        List<String> ipList = new ArrayList<String>();

        try {

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

            NetworkInterface networkInterface;

            Enumeration<InetAddress> inetAddresses;

            InetAddress inetAddress;

            String ip;

            while (networkInterfaces.hasMoreElements()) {

                networkInterface = networkInterfaces.nextElement();

                inetAddresses = networkInterface.getInetAddresses();

                while (inetAddresses.hasMoreElements()) {

                    inetAddress = inetAddresses.nextElement();

                    if (inetAddress != null && inetAddress instanceof Inet4Address) { // IPV4

                        ip = inetAddress.getHostAddress();

                        ipList.add(ip);

                    }

                }

            }

        } catch (SocketException e) {

            e.printStackTrace();

        }

        return ipList;

    }