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-Socket Java language provides the use of technology, the establishment of the application of a C/S mode, which allows the client user input two integers, the server receives these two integers, and calculate their sum, difference, product, quotient, and finally back Client