Java InetAddress getAllByName() method

The getAllByName() method of Java InetAddressGiven class returns an array of IP addresses, based on the given host name and the configured name service on the system. If the host is null then the InetAddress representing an address of the loopback interface is returned.

Syntax:

public static InetAddress[] getAllByName(String  host)  throws UnknownHostException

Parameters:

host - the name of host ,or null.

Returns

The getAllByName() method returns an array of all the IP address for the specified host name.

Throws

UnknownHostException - if no Ip address for the host could be found, or if scope_id was specified for a global IPv6 address.

SecurityException - if a security manager exists and its checkConnect method doesn?t allow the operation.

Example 1

import java.net.InetAddress;
public class JavaInetAddressGetAllByNameExample1 {
    public static void main (String[] args) {
        try {
            InetAddress[] add =  InetAddress.getAllByName("www.javatpoint.com");
            System.out.println(add);
                   
        }
        catch (Exception e) {
            System.out.println("Could not find www.javatpoint.com");
        }
    }
}

Test it Now

Output:

www.javatpoint.com/185.53.178.9

Example 2

import java.net.InetAddress;
public class JavaInetAddressGetAllByNameExample2 {
    public static void main(String[] args){
        try{
            String str="www.javatpoint.com";
            InetAddress ip1=InetAddress.getByName("www.google.com");
            System.out.println("1. "+InetAddress.getAllByName(str));
        }catch(Exception e){System.out.println(e);}
    }
}

Test it Now

Output: