4. Typing is not always necessary in ABAP, for example, for interface parameters of a subroutine.
Which of the following statements applies to ABAP objects?(single selection)
-◎- Typing is imperative for interface parameters of a method belonging to an ABAP objects class.
-Ⅹ- To simplify writing the software and design it clearly, you can do without typing altogether within the ABAP object classes.
-Ⅹ- If you have numeric interface parameter in an ABAP Objects class. you can do without typing.