code: @Nullable
    public static Byte parseByteObj (@Nullable final Object aObject, @Nullable final Byte aDefault)
    {
      return parseByteObj (aObject, DEFAULT_RADIX, aDefault);
    }
docs: Parse the given {@link Object} as {@link Byte} with radix
  {@value #DEFAULT_RADIX}.
  
  @param aObject
  The object to parse. May be <code>null</code>.
  @param aDefault
  The default value to be returned, if the passed object cannot be
  converted. May be <code>null</code>.
  @return the passed default value if the object does not represent a valid
  value.