file reader

FileReader fileReader = new FileReader("/sys/bus/usb/devices/usb1/idVendor");
            BufferedReader bufferedReader = new BufferedReader(fileReader);
            String line = bufferedReader.readLine();
            bufferedReader.close();

FileReader fileReader = new FileReader("/sys/bus/usb/devices/usb1/idProduct");
            BufferedReader bufferedReader = new BufferedReader(fileReader);
            String line = bufferedReader.readLine();
            bufferedReader.close();