Introduction - If you have any usage issues, please Google them yourself
1. Design program, were constructed at both ends of the communication: the server and client application, the socket type of connection-oriented Socket, build yourself two sides of the answer mode, both sending and receiving data (S issued C , C issued S).
2. The server program can respond to a single or any number of client connection requests server can send messages to a single customer, support group message to all clients communicating parties have an abnormal response capabilities, including other abnormal exit process. If the client exits, the server responds and vice versa.