Abap Alv Oops Interview Questions And Answers Link

Events in OOP ALV are handled by creating a local controller class.

ABAP ALV (ABAP List Viewer) using Object-Oriented Programming (OOP) is a cornerstone of modern SAP development. Moving away from function modules like REUSE_ALV_GRID_DISPLAY , the OOP approach leverages the CL_GUI_ALV_GRID class or the newer SALV (SAP List Viewer) model. Understanding this shift is essential for any senior ABAP developer. Core Concepts of ALV OOP Abap Alv Oops Interview Questions And Answers

: The primary class for creating editable, interactive grids. Events in OOP ALV are handled by creating

1. What is the fundamental difference between Functional ALV and OOP ALV? Understanding this shift is essential for any senior

The CL_SALV_TABLE class is often preferred for simple, read-only displays. It uses a "Factory" pattern ( cl_salv_table=>factory ). It is much faster to implement because it doesn't require a screen or container definition, but it is intentionally limited—it does not support cell-level editing without significant workarounds. Summary Table: Key Classes Class Name CL_GUI_CUSTOM_CONTAINER Binds the ALV to a specific area on a GUI screen. CL_GUI_ALV_GRID The engine that renders and manages the grid data. LVC_S_FCAT Structure for defining column attributes (Field Catalog). LVC_S_LAYO Structure for defining overall grid appearance (Layout).

Use the method refresh_table_display . You can pass a soft_refresh parameter (type LVC_S_STBL ) to maintain the user's current scroll position and selected rows while updating the content. Advanced Technical Patterns Field Catalog Generation

: A newer, more streamlined "factory" model that is easier to code but less flexible for editing.