InetSocketAddress isUnresolved() in Java

isUnresolved(): This method is available in the java.net.InetSocketAddress class of Java.

Syntax:

boolean java.net.InetSocketAddress.isUnresolved()

This method checks whether the address has been resolved or not.

Parameters: NA

Returns: true if the hostname couldn't be resolved into an InetAddress.

Exceptions: NA

Approach

Java

package com.InetSocketAddress;

import java.net.InetSocketAddress;

public class InetSocketAddressisUnresolved {
    public static void main(String[] args) {

        int port = 8080;
        InetSocketAddress inetSocketAddress = new InetSocketAddress(port);

        System.out.println(inetSocketAddress.isUnresolved());
    }
}

Output:

false

Some other methods of InetSocketAddress class

InetSocketAddress.InetSocketAddress(int): This method creates a socket address where the IP address is the wildcard address and the port number a specified value.

InetSocketAddress.InetSocketAddress(InetAddress, int): This method creates a socket address from an IP address and a port number.

InetSocketAddress.InetSocketAddress(String, int): This method creates a socket address from a hostname and a port number.

InetSocketAddress.createUnresolved(String, int): This method creates an unresolved socket address from a hostname and a port number.

equals(Object): This method compares this object against the specified object. 

getAddress(): This method gets the InetAddress.

getHostName(): This method gets the hostname.

getHostString(): This method returns the hostname, or the String form of the address if it doesn't have a hostname (it was created using a literal).

getPort(): This method gets the port number.

hashCode(): This method returns a hashcode for this socket address.

isUnresolved(): This method checks whether the address has been resolved or not.

toString(): This method constructs a string representation of this InetSocketAddress.This String is constructed by calling toString() on the InetAddressand concatenating the port number (with a colon).