Java ServerSocket isbound() method

The isBound() method of Java ServerSocket class returns the binding state of the ServerSocket.

Syntax

Parameter

Return

The isBound() method returns a Boolean value 'true' if the ServerSocket successfully bound to an address.

Example 1

import java.io.IOException;
import java.net.InetAddress;
import java.net.InetSocketAddress;
import java.net.ServerSocket;
import java.net.SocketAddress;
public class JavaServerSocketIsBoundExample1 {
public static void main(String[] args) throws IOException {
InetAddressinetAddress=InetAddress.getByName("localhost");
//setting the port
intport=1085;
//calling the constructor of the ServerSocket class
ServerSocketserverSocket = new ServerSocket();
//Binding the SocketAddress with inetAddress and port
SocketAddressendPoint=new InetSocketAddress(inetAddress, port);
//bind() method  binds the ServerSocket to the specified socket address
serverSocket.bind(endPoint);
//isBound() method returns the binding state of the soket
System.out.println("The server socket is bounded: "+serverSocket.isBound());
System.out.println("Local Socket Address: "+serverSocket.getLocalSocketAddress());
    }
}

Output:

The server socket is bounded: true
Local Socket Address: localhost/127.0.0.1:1085

Example 2

import java.io.IOException;
import java.net.InetAddress;
import java.net.ServerSocket;
public class JavaServerSocketIsBoundExample2{
public static void main(String[] args) throws IOException {
InetAddressinetAddress=InetAddress.getByName("localhost");
//setting the port
intport=1085;
//calling the constructor of the ServerSocket class
ServerSocketserverSocket = new ServerSocket();
//by default the isBound() method returns false
System.out.println("The server socket is bounded: "+serverSocket.isBound());
System.out.println("Local Socket Address: "+serverSocket.getLocalSocketAddress());
    }
}

Output:

The server socket is bounded: false
Local Socket Address: null

Next TopicJava ServerSocket

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