虚拟串口小程序，可以模拟最大254个串口，为那些电脑没有串口的用户，和串口少的用户提供方便，界面简单-Virtual Serial Port applet, can simulate the largest 254 serial, serial for those who are not computer users, and the serial port to facilitate users with a small, simple interface

多线程车辆检测器模拟程序（多线程串口发送）可设置模拟车辆速度（最大车速和最小车速）及车流量 注意：只有计算机有串口存在才能运行-Multithreading vehicle detector simulation program (multi-threaded serial port) can be set to simulate vehicle speed (maximum speed and minimum speed) and traffic volume Note: there is

题目：输入数组，最大的与第一个元素交换，最小的与最后一个元素交换，输出数组。-Topic: input arrays, and the biggest and the first element exchange, the smallest and the last element exchange, output array.