RS232 communication problem in Java

Can I found out in Java if cable 开发者_开发问答is pluged in RS232 port on my comp? I work on some application, I have convertor from usb to rs232 on com6 port and I need info if there is cable pluged in or not.

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Try to open the that the Port "COM6" at regular interval, but be careful to put it inside try-catch.

Thanks:)