说明：  该基于终端的聊天应用程序旨在使用客户机-服务器体系结构促进两个用户之间的通信。该应用程序利用Java套接字编程在客户端和服务器之间建立网络连接。
(This terminal-based chat application is designed to facilitate communication between two users using a client-server architecture. The application utilizes Java socket programming to establish a network connection between the client and server.)