Difference Between Call By Value and Call By Reference?

Answer Posted / atul gupta

call by value: copies the value of argument into the formal
parameter.Any changes made in the parameter does not affect
the argument .

call by reference : copies the address of argument into the
formal parameter . The address will access the actual argument
used in the call . so any changes made in the parameter will effect the argument

Is This Answer Correct ?    4 Yes 2 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Difference between sy-tabix and sy-index? Where it is used? Can you check sy-subrc after perform?

613


What are the functional areas? User groups? and how does ABAP query work in relation to these?

715


Do we create table fields with out data elements and domains?

637


What are the different kinds of lock modes?

573


What are the rules to create a BAPI?

1169






Difference between sy-tabix and sy-index? Can you check sy-subrc after perform?

645


What is tcode se16? For what is it used.

591


What is the last entry in all bdc tables? : abap bdc

604


Under Data Transfer Portion of ABAP, what do you mean by DX Project

1855


How do u set up background jobs in SAP? What r the steps? What are the event driven batch jobs?

630


What is your approach to find exit and BAdi?

871


Have you set up a back ground job ? How to create a background job without a variant ?

649


What are the different types of work process?

594


What are the different abap editors? What is the used of different editors in abap?

572


What are null values?

606