Java: Get all IP address of this machine, intranet Ip__java

Get IP Address

The Java code is as follows:

Import java.net.Inet4Address;
Import java.net.InetAddress;
Import Java.net.NetworkInterface;
Import java.net.SocketException;
Import java.net.UnknownHostException;


Import java.util.Enumeration;
        public class Testgetip {public static void main (string[] args) {Testgetip testgetip = new Testgetip ();

        Testgetip.printaddresses ();

        System.out.println ("\n\n\n\n");

    System.out.println (Testgetip.getip ()); //Find a reasonable IPv4 public String GetIP () {try {//hostname to find IP inetaddress addres
            s = inetaddress.getlocalhost (); if (address.isloopbackaddress ()) {enumeration<networkinterface> allnetinterfaces = NetworkInterface
                . Getnetworkinterfaces (); while (Allnetinterfaces.hasmoreelements ()) {NetworkInterface netinterface = (networkinterface) allNet 
                    Interfaces.nextelement (); enumeration<inetaddress> addresses = netinterface.gEtinetaddresses ();
                        while (Addresses.hasmoreelements ()) {inetaddress IP = addresses.nextelement ();
                            if (!ip.islinklocaladdress () &&!ip.isloopbackaddress () && IP instanceof inet4address) {
                        return ip.gethostaddress ();
        }}} return Address.gethostaddress ();
            catch (Unknownhostexception e) {e.printstacktrace ();
        return null;
            catch (SocketException e) {e.printstacktrace ();
        return null; ///All network interfaces public void Printaddresses () {try {Enumeration<networkinterface&gt ;  
            Allnetinterfaces = Networkinterface.getnetworkinterfaces (); while (Allnetinterfaces.hasmoreelements ()) {NetworkInterface netinterface = (networkinterface) allNetIn Terfaces.nextelement ();  
                    Remove loopback interface, Sub-interface, not running and interface if (Netinterface.isloopback () | | netinterface.isvirtual () | |!netinterface.isup ()) {  
                Continue
                } enumeration<inetaddress> addresses = Netinterface.getinetaddresses (); 
                    while (Addresses.hasmoreelements ()) {inetaddress IP = addresses.nextelement ();
                        if (IP!= null) {System.out.println ("IP =" + ip.gethostaddress ());  IPv4 if (IP instanceof inet4address) {System.out.println ("IPv4 ="

                            + ip.gethostaddress ());  if (Ip.gethostaddress () startswith ("the") | | ip.gethostaddress () startswith ("10") | | Ip.gethostaddress (). StartsWith ("172") | |
   Ip.gethostaddress (). StartsWith ("169")) {//Intranet}                     catch (SocketException e) {
        System.err.println ("Error when getting host IP address" + e.getmessage ());
 }  
    }
}