code: public String getFullName()
    {
      final StringBuilder buffer = new StringBuilder();
      if (hasFirstName())
      {
        buffer.append(trimToEmpty(firstName));
      }
      if (hasFullName())
      {
        buffer.append(" ");
      }
      if (hasLastName())
      {
        buffer.append(trimToEmpty(lastName));
      }
      return buffer.toString();
    }
docs: Gets the full name.
  
  @return full name.