Breaking News: Grepper is joining You.com. Read the official announcement!

java get ip address

Add Answer

Shept answered on November 12, 2021 Popularity 9/10 Helpfulness 6/10

answer java get ip address

related java get current machine's IP address

related java get local ip

java get ip address

Comment

import java.awt.*;
import java.io.IOException;
import java.net.InetAddress;
import java.net.UnknownHostException;

class Main
{
  public static void main(String args[]) throws IOException
  {
    InetAddress ip;
	String hostname;
	ip = InetAddress.getLocalHost();
	hostname = ip.getHostName();
    System.out.println("Current IP address : " + ip + "\n" +
                "current Hostname : " + hostname);
  }
}

Popularity 9/10 Helpfulness 6/10 Language java

Source: Grepper

Tags: get ip-address java

Link to this answer
Share Copy Link

Contributed on Jun 15 2022

Shept

0 Answers Avg Quality 2/10

Closely Related Answers

java get current machine's IP address

Comment

import java.net.DatagramSocket;
import java.net.InetAddress;

try(final DatagramSocket socket = new DatagramSocket()){
  socket.connect(InetAddress.getByName("8.8.8.8"), 10002);
  ip = socket.getLocalAddress().getHostAddress();
}

Popularity 8/10 Helpfulness 4/10 Language java

Source: stackoverflow.com

Tags: get ip-address

Link to this answer
Share Copy Link

Contributed on Nov 12 2021

Hurt Hoopoe

0 Answers Avg Quality 2/10

java get local ip

Comment

import java.io.*;
import java.net.*;
import java.util.Enumeration;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

class Main() {
    public static void main(String args[]) throws IOException {
        Matcher match;
        while (true) {
            Process traceRt;
            if (System.getProperty("os.name").toLowerCase().contains("win"))
                traceRt = Runtime.getRuntime().exec("tracert 8.8.8.8");
            else traceRt = Runtime.getRuntime().exec("traceroute 8.8.8.8");
            BufferedReader br = new BufferedReader(new InputStreamReader(traceRt.getInputStream()));

            String ips = br.readLine();

            match = Pattern.compile("(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)", Pattern.MULTILINE).matcher(ips);
            if (match.find()) break;
        }
        String myip = match.group();
        NetworkInterface networkInterface = null;
        Enumeration Interfaces = NetworkInterface.getNetworkInterfaces();
        while (Interfaces.hasMoreElements() && networkInterface == null) {
            NetworkInterface Interface = (NetworkInterface) Interfaces.nextElement();
            Enumeration Addresses = Interface.getInetAddresses();
            while (Addresses.hasMoreElements()) {
                InetAddress Address = (InetAddress) Addresses.nextElement();
                if (Address.getHostAddress().startsWith(myip.split("\\.")[0])) {
                    networkInterface = Interface;
                    break;
                }
            }
        }
        assert networkInterface != null;
        short subnetMask = networkInterface.getInterfaceAddresses().get(1).getNetworkPrefixLength();
        byte[] addr = networkInterface.getInterfaceAddresses().get(1).getAddress().getAddress();
    }
}

Popularity 3/10 Helpfulness 1/10 Language java

Source: Grepper

Tags: get ip java local

Link to this answer
Share Copy Link

Contributed on Jun 29 2024

Yeonfish

0 Answers Avg Quality 2/10

java get ip address

Contents

More Related Answers

java get ip address

Closely Related Answers

java get current machine's IP address

java get local ip

Grepper

Documentation

Social

Legal

Contact

Oops, You will need to install Grepper and log-in to perform this action.