Is there any way to read Arduino usb input through Java code and passing it to the RoboRIO with the 2016 software?
Sure, You can use the MXP serial port, onboard serial port, USB-Serial, I2C, SPI,
The list goes on. Since you said USB input, I’m assuming you mean usb-serial. We’re having issues with the roborio code crashing when we do anything with usbserial, but it should be relatively simple for you to try using the onboard RS232 port on arduino channel 0
Take a look at the SerialPort class in the wpilib
Thank you, I’ll look into it.