这是本人用java开发的一个定时关机程序 主要技术涉及到系统命令的调用等-This is, I use java to develop a regular shutdown procedure involves major technical calls, such as system commands
写了一个简单的计算器,能够实现简单的加减乘除,累加,求倒数等等运算-Write a simple calculator, able to realize simple addition and subtraction, multiplication and division, accumulation, and the countdown and so computing