利用Java语言提供的Socket技术，建立一个C/S模式的应用，允许客户端用户输入2个整数，服务器端接收这2个整数，并计算出它们的和、差、积、商，最后送回客户端。-Using Java language to provide the Socket technology, the establishment of a C/S mode of application, permit the client user enters two integers, the server side to receive this two integers, and calculate them and, bad, plot, commercial, and finally returned to client.