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import java.io.IOException; import java.net.*; public class JavaSocketGetPortExample3 { public static void main(String[] args) throws IOException { Socket socket = new Socket(); InetAddress inetAddress=InetAddress.getByName("localhost"); //the port should be greater or equal to 0, else it will throw an error int port=-1085; //calling the constructor of the SocketAddress class SocketAddress socketAddress=new InetSocketAddress(inetAddress, port); //binding the socket with the inetAddress and port number socket.bind(socketAddress); //getPort() method will return the port number of this socket System.out.println("Port number: "+socket.getPort()); } }
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