abap objects qustion

[Former Member]

Hi,

i learning abap objects and i wont to sample for using private and protected and public definitions .

until now i use Fm and for that i have function group

in top i declare all the global variables and i use it for all the fm in the group what is change.

Regards

[amit_khare]

Check standard reports in SAP with names starting with BCALV_* they will provide you ample amount of information for learning.

[uwe_schieferstein]

Hello Ricardo

For an instance of a class all attributes, irrespective of whether they are public, protected or private, are global.

In general I would say that most of the class attributes (>70 %) should be either private or protected.

When do I use public attributes?

1) I want to make certain properties of the instance (e.g. a key like MATNR or details like MARA for a material related class) available for the outside. However, these public attributes should be defined as read-only because it makes absolutely no sense that you can change the key of an instance (like MATNR) from outside.

2) Recently I learned about a SAP standard interface (BAdI) for a user-exit where the attribute for an ALV fieldcatalog itab was public and changeable. Here the intention is to give the user of this BAdI an easy way to manipulate the ALV fieldcatalog.

Regards

Uwe

[Former Member]

Hi Uwe Schieferstein

thanks ,

maybe u can give me simple example it help me a lot.

Regards

[Former Member]

Hi,

refer to these links

abap oops material

1) http://help.sap.com/printdocu/core/Print46c/en/data/pdf/BCABA/BCABA.pdf -- Page no: 1291

2) http://esnips.com/doc/5c65b0dd-eddf-4512-8e32-ecd26735f0f2/prefinalppt.ppt

3) http://esnips.com/doc/2c76dc57-e74a-4539-a20e-29383317e804/OO-abap.pdf

4) http://esnips.com/doc/0ef39d4b-586a-4637-abbb-e4f69d2d9307/SAP-CONTROLS-WORKSHOP.pdf

5) http://esnips.com/doc/92be4457-1b6e-4061-92e5-8e4b3a6e3239/Object-Oriented-ABAP.ppt

6) http://esnips.com/doc/448e8302-68b1-4046-9fef-8fa8808caee0/abap-objects-by-helen.pdf

7) http://esnips.com/doc/39fdc647-1aed-4b40-a476-4d3042b6ec28/class_builder.ppt

😎 http://www.amazon.com/gp/explorer/0201750805/2/ref=pd_lpo_ase/102-9378020-8749710?ie=UTF8

1) http://www.erpgenie.com/sap/abap/OO/index.htm

2) http://help.sap.com/saphelp_nw04/helpdata/en/ce/b518b6513611d194a50000e8353423/frameset.htm

[Former Member]

Hiii!

Check out this link. This link will guide you on ABAP OBJECTS

http://www.sap-press.de/katalog/buecher/htmlleseproben/gp/htmlprobID-28?GalileoSession=22448306A3l7U...

Regards

Abhijeet Kulshreshtha

[former_member69765]

Refer to some tutorials online..

Check out [www.abaplearning.com|www.abaplearning.com]

[marcelo_ramos1]

Hi Ricardo,

The Uwe's explanation is correct, you can also take a loo at [ABAP Objects Wiki page|https://wiki.sdn.sap.com/wiki/x/o5k] and [ABAP Objects Examples|https://wiki.sdn.sap.com/wiki/x/Aq] where you can see some examples includind [Visibility Definitions|https://wiki.sdn.sap.com/wiki/x/D60] and [Components Definitions|https://wiki.sdn.sap.com/wiki/x/OKg].

I hope this examples help you !

'Boa Sorte !'

Greetings,

Marcelo Ramos

[Former Member]

Hey!

Thanks alot Ricardo.