CHAT

代码说明：

  Java聊天程序服务端和客户端程序,C/S结构,ChatServer 类实现了一个聊天室服务器端， 此类有一个构造器， 在构造器中使用newServerSocket()建立一个Socket 连接。( Java chat server and client service procedures, C/S structure, ChatServer class implements a chat room on the server side, such a constructor, use newServerSocket in the constructor () to create a Socket connection. Java chat server and client service procedures, C/S structure, ChatServer class implements a chat room on the server side, such a constructor, use newServerSocket in the constructor () to create a Socket connection.)