Java Program to Get IP Address

Java Program to Get Computer Name / IP Address

In java programming, this program is used to print IP Address or internet protocol address of your computer system.

InetAddress class in java.net package provides getLocalHost method to return InetAddress object which represents local host.

This java program prints the output as computer name / IP address.

import java.net.InetAddress;
import java.lang.*;

public class IPAddressTest {
	public static void main(String[] args) throws Exception{
		InetAddress inetAddress = InetAddress.getLocalHost();
		System.out.println("Computer Name / IP Address: "+inetAddress);
	}
}

D:\Java_Programs>javac IPAddressTest.java
D:\Java_Programs>java IPAddressTest 
Computer Name / IP Address: DESKTOP-001/192.128.0.124

Java Program to Get IP Address

import java.net.InetAddress;
import java.lang.*;

public class IPAddressTest {
	public static void main(String[] args) throws Exception{
		InetAddress inetAddress = InetAddress.getLocalHost();
		String[] localHostInfo = inetAddress.toString().split("/");
		System.out.println("Computer Name: "+localHostInfo[0]);
		System.out.println("IP Address: "+ localHostInfo[1]);
	}
}

Output:

D:\Java_Programs>javac IPAddressTest.java
D:\Java_Programs>java IPAddressTest 
Computer Name: DESKTOP-001
IP Address: 192.128.0.124

Java Program to Get IP Address of Server Name

This java program is used to get the IP Address of any server name.

import java.net.InetAddress;
import java.util.Scanner;
import java.lang.*;

public class IPAddressTest {
	public static void main(String[] args) throws Exception{
		
		System.out.print("Enter server name: ");
		Scanner sc = new Scanner(System.in);
		String serverName = sc.next();
		InetAddress inetAddress = InetAddress.getByName(serverName);
		String[] serverInfo = inetAddress.toString().split("/");
		System.out.println("Server Name: "+serverInfo[0]);
		System.out.println("IP Address: "+ serverInfo[1]);
	}
}

D:\Java_Programs>javac IPAddressTest.java
D:\Java_Programs>java IPAddressTest 
Enter server name: google.com
Server Name: google.com
IP Address: 172.217.160.142