Which programming language would be the best to write uart applications in
C++, Python, or Java?

This question doesn't make any sense. There is not a better programming
language than another.Not absolutely. From your question I can understand
that you are pretty new in the world of programming. Specially for embedded
devices. Maybe you want to use the BBB and not be one day an expert in
informatics. In this case you can start which any language you want, but
most probably you'll find confortable with Python.
In this case you have tons of tutorial about using USART. But...if you
don't have any experience in programming language it will be very hard for
you to adapt tutorials to your needs.

Is it possible to send data between the uarts without them being physically
connected?

Do you mean through a wireless connections? Of course...take a look at Xbee
Module or eNIC Nitro. The latter is a modified version of an Arduino. Both
are really easy to configure and to use.

2016-01-19 19:04 GMT+01:00 Michael Williams <mikey32...@gmail.com>:

> I have a few questions regarding the UARTs on the Beaglebone Black & Green.
>
> What is a good resource for writing programs for the uarts? Which
> programming language would be the best to write uart applications in C++,
> Python, or Java?
>
> Is it possible to send data between the uarts without them being
> physically connected?
>
> Thank you in advance for your help.
>
> Mike
>
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