This tutorial will teach you Java Networking programming step step.first we look at the concept of Ip address.let we see how to find Ip Address of the machine.
Paste this Code inside the Find Button.this code use to identify the Ip Address of the Machine
InetAddress address = InetAddress.getLocalHost();
String addressHost = address.getHostAddress();
catch (UnknownHostException ex)
Logger.getLogger(IpAddess.class.getName()).log(Level.SEVERE, null, ex);
i have attached the video link below. which will do this tutorials step by step.