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SAP ABAP Interview Questions and Answers

Ques 21. Explain the purpose of 'INTERFACE' in ABAP.

An 'INTERFACE' in ABAP is a definition of a set of methods that a class or function module must implement. It is used to achieve multiple inheritance in ABAP objects.

Example:

INTERFACE zif_example.

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Ques 22. What is a 'BADIs' in SAP ABAP?

Business Add-Ins (BADIs) are enhancements to the standard version of SAP applications. They allow you to add custom enhancements without modifying the standard code.

Example:

CALL BADI .

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Ques 23. Explain the purpose of 'CATCH SYSTEM-EXCEPTIONS' in ABAP.

'CATCH SYSTEM-EXCEPTIONS' is used in exception handling to catch system-level exceptions like 'OBJECTS_NOT_FOUND' or 'PROGRAM_NOT_FOUND'.

Example:

CATCH SYSTEM-EXCEPTIONS = 1.

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Ques 24. What is the role of the 'UPDATE TASK' in SAP ABAP?

The 'UPDATE TASK' is responsible for updating the database during the SAP LUW (Logical Unit of Work). It processes the database changes requested by the application program.

Example:

UPDATE DATABASE.

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