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

what is the process of creating quotation using BAPIs.

1557


What is the difference between open_form and close_form?

608


Explain the advantages of logical databases?

568


What two statements would be used to exchange data between programs using abap memory?

490


What is transparent table?

583






How many types of views are there? : abap data dictionary

545


– Programming using BAPI : Create Debit Memo Request (DMR) with reference to Sales Order and update the delivery number and PO number in the newly created DMR. Send the spool of the report by E-mail if the E-mail option is enabled. Selection Screen Required:  Sales Org  Delivery type  Sales document type Optional:  Planned Goods movement date  Option to choose E-Mail  E-mail Address  Output device Output Output should display both successful and unsuccessful creation of DMR with the following fields,  Success/Error (S/E)  Sales Document number  Delivery number  New Debit memo request number  Error message Tables TVAK, TVCPA, VBAK, LIKP, LIPS

5506


How do you populate data into a multiple line field? : abap bdc

609


How can we achieve MVC ?

887


Can we set page headers to details lists?

575


How do you work with semi colon se[arated files in BDC ?

1444


Describe data classes? : abap hr

617


What is a table pool?

612


What are the screen elements.

507


What are the different types of the variable in the sap abap?

572