一个Java通信小程序,包括一个客户端,一个主机端.一个主机可以和多个客户端进行通信.但要注意程序中的IP要改.才可以通信.-a small communication procedures, including a client, a mainframe terminal. A host can be and in a number of client communications. But we must pay attention to the procedures of IP must be changed. Can communication.