docs: public static void displayByteArray(byte[] record) {
          int i;
          for (i = 0; i < record.length - 1; i++) {
              if (i % 16 == 0) {
                  System.out.println();
              }
              System.out.print(Integer.toHexString(record[i] >> 4 & 0x0F));
              System.out.print(Integer.toHexString(record[i] & 0x0F));
              System.out.print(",");
          }
          System.out.print(Integer.toHexString(record[i] >> 4 & 0x0F));
          System.out.print(Integer.toHexString(record[i] & 0x0F));
          System.out.println();
      }