code: public void setByte(int index, int value)
      {
          checkPositionIndexes(index, index + SIZE_OF_BYTE, this.length);
          index += offset;
          data[index] = (byte) value;
      }
docs: Sets the specified byte at the specified absolute {@code index} in this
  buffer.  The 24 high-order bits of the specified value are ignored.
  
  @throws IndexOutOfBoundsException if the specified {@code index} is less than {@code 0} or
  {@code index + 1} is greater than {@code this.capacity}