Answer / hariharan

OOps has data encapsulation and other security feature in
default.rather in case of API(FM).

BADI - you may have many instance for the same class rather
for same enhancement.order of execution is SAP specific.
User EXIT- you can have only one instance for a pirticular
enhancement.

BAPI - ALL bapi are RFC enabled Function module, but all
RFC enabled Function modules are not BAPI. BAPI is designed
by SAP for specific operation like(Material master Creation
BAPI etc.)

hi,i worked mostly in core abap.know iam assigned to XI utility project.can u experts let me know what r the basic things i need to learn to work in XI utility project.i already searched in forum.thanks in advance.

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tell me ddic objects

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