code: public AccrueType getAccrueType(int field)
     {
        AccrueType result;
  
        if ((field < m_fields.length) && (m_fields[field].length() != 0))
        {
           result = AccrueTypeUtility.getInstance(m_fields[field], m_locale);
        }
        else
        {
           result = null;
        }
  
        return (result);
     }
docs: Accessor method to retrieve an accrue type instance.
  
  @param field the index number of the field to be retrieved
  @return the value of the required field