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 re

用于计算弧度 做的不好 仅供参考 希望和大家能够交流交流-Used to calculate the arc to do well for reference only and you will be able to exchange communication

计算JAVA程序有多少字符, 并返回结果，-Calculate the number of characters JAVA program, and returns the result,

能够计算出生日期到现在你活了多长时间。初学者课程设计(You can calculate how long you have lived by the date of birth. Beginner's curriculum design)