关于java串口编程的原代码学习很有帮助-The original serial programming on Java code is very helpful to learn

Java的串口助手源代码，适合学习串口编程的初学者学习使用，也可修改后用作其他用途-Serial port Java the assistant source code, suitable for beginners learning serial programming to learn to use, also can be modified and used for other purposes