What is Inet4Address?

public final class Inet4Address extends InetAddress. This class represents an Internet Protocol version 4 (IPv4) address. Defined by RFC 790: Assigned Numbers, RFC 1918: Address Allocation for Private Internets, and RFC 2365: Administratively Scoped IP Multicast.

Which best describes INET address class?

InetAddress class provides methods to get the IP address of any hostname. An IP address is represented by 32-bit or 128-bit unsigned number. InetAddress can handle both IPv4 and IPv6 addresses.

What is InetSocketAddress Java?

InetSocketAddress(int port) Creates a socket address where the IP address is the wildcard address and the port number a specified value. InetSocketAddress(String hostname, int port) Creates a socket address from a hostname and a port number.

How are instances of INET address class created?

The InetAddress class doesn’t have public constructors, so you create a new instance by using one of its factory methods: getByName(String host): creates an InetAddress object based on the provided hostname.

Which of the following method throws UnknownHostException?

Java InetAddress Class Methods

Method	Description
public static InetAddress getLocalHost() throws UnknownHostException	It returns the instance of InetAdddress containing local host name and address.
public String getHostName()	It returns the host name of the IP address.

How do you use InetAddress?

Example of Java InetAddress Class

import java.io.*;
import java.net.*;
public class InetDemo{
public static void main(String[] args){
try{
InetAddress ip=InetAddress.getByName(“);
System.out.println(“Host Name: “+ip.getHostName());
System.out.println(“IP Address: “+ip.getHostAddress());

How do I find my server port for Java?

1 Answer. You should be able to access request. getLocalPort() in your service methods (get, post, service, etc). That will tell you what port the request came in on.

How can we create INET address objects?

Is INET address same as IP address?

Typically, ifconfig can only be used under a superuser account in your terminal. A list of all your network interfaces will appear. Following the heading of the interface whose IP address you’re searching for, you will see a “inet addr:” section containing your IP address.

What can cause UnknownHostException?

If a Java application fails to get a valid DNS answer, it might throw an UnknownHostException error. Possible causes might include: The application couldn’t connect to the configured DNS resolver, so it timed out. The application got a NXDOMAIN response.

What does UnknownHostException mean?

UnknownHostException indicates that the IP address of a hostname could not be determined. It can happen because of a typo in the hostname: The above code throws an UnknownHostException since the misspelled locaihost doesn’t point to any IP addresses.

How do I create an InetAddress object?

What is Inet4Address?