We know that a network is an interconnection of computers with or without using a cable or satellite. That means in a network there may be several computers, out of which some of them are receiving the services and some are providing the services to others.

The computer which receives the service is called client and the computer which provides the service is called as server.

A network is established by taking three requirements, such as hardware, software and protocol.

The widely used java networking terminologies are given below:

1. TCP/IP Protocol
2. Socket
3. IP Address