Java IP Address Get getIPAddresses()

Description

List all IP addresses of the device, except loopback addresses.

License

Apache License

Exception

Parameter	Description
IOException	an exception

Return

a List of IP addresses

Declaration

public static List<InetAddress> getIPAddresses() throws IOException 

Method Source Code

//package com.java2s;
//License from project: Apache License 

import java.io.IOException;

import java.net.InetAddress;
import java.net.NetworkInterface;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

public class Main {
    /**//from   ww  w  .j  a  v  a2 s  .  c  o  m
     * List all IP addresses of the device, except loopback addresses.
     * 
     * @return a List of IP addresses
     * @throws IOException
     */
    public static List<InetAddress> getIPAddresses() throws IOException {
        List<InetAddress> addresses = new ArrayList<InetAddress>();
        List<NetworkInterface> interfaces = Collections.list(NetworkInterface.getNetworkInterfaces());
        for (NetworkInterface intf : interfaces) {
            List<InetAddress> addrs = Collections.list(intf.getInetAddresses());
            for (InetAddress a : addrs) {
                if (a.isLoopbackAddress()) {
                    continue;
                }
                addresses.add(a);
            }
        }
        return addresses;
    }
}

Related

1. getIPAddress(String hostname)
2. getIpAddress(String server)
3. getIPAddresses()
4. getIpAddresses()
5. getIpAddresses()
6. getIpAddressesFromNic()
7. getIpAddressExternal()
8. getIPAddressFromBytes(byte[] bytes)
9. getIPAddressFromNetworkInterface(String ifaceName)