自己写的jfreechart demo，仅供参考-Wrote it myself jfreechart demo, for reference only

JAVA实现串口通信并结合JfreeChart实现对读取的数据进行实时图形监控，并实时处理分析数据将结果显示在用户界面和图形上-JAVA realization of serial communication and combined JfreeChart to read data real-time graphical monitoring, and real-time processing and analysis data the results displayed in the user