1. Single Inheritance (Supported in ABAP) Definition: One subclass inherits from one superclass. Use: Most common form of inheritance. CLASS parent_class DEFINITION. PUBLIC SECTION. METHODS: display.ENDCLASS.CLASS parent_class IMPLEMENTATION. METHOD display. WRITE: 'Parent class method'. ENDMETHOD.ENDCLASS.CLASS child_class DEFINITION INHERITING FROM parent_class.ENDCLASS.CLASS child_class IMPLEMENTATION.ENDCLASS.
SAP EWM Help Latest Questions
Program Type Code Purpose Executable? Typical Usage Executable 1 Reports, standalone programs ✅ Yes Reports, jobs, selection screens Include I Reusable code ❌ No Shared FORM routines, definitions Module Pool M Dialog screens, GUI transactions ✅ Yes Custom SAP GUI apps Function Grp F Group of function modules ❌ No BAPIs, reusable logic Subroutine S Collection of FORM routines ❌ No Old-style code reuse Class Pool K Global class definitions ❌ No OO programming, ...
1. SELECTION-SCREEN BEGIN OF SCREEN As already explained, this defines a custom screen (like a subscreen or popup), which you can call dynamically using CALL SELECTION-SCREEN. SELECTION-SCREEN BEGIN OF SCREEN <screen_number> [AS SUBSCREEN|AS WINDOW] [TITLE <text>]. ... fields ...
Feature Overview Screen Single Screen Records Displayed Multiple (in table format) One at a time Editing Mode Mass/bulk editing Detailed editing Screen Layout Grid/List view Form view Navigation Can go to Single Screen No direct return to Overview (optional) Performance Faster for small data edits Better for complex data input Typical Tables Config tables, short master data Tables with many ...
A Search Help provides F4 help to fields in screens and reports. Types: Elementary Search Help – based on a single table/view. Collective Search Help – combines multiple elementary search helps.
A Data Element is used to define the semantic meaning of a table field. Components include: Field Label(s): Short, Medium, Long, Heading. Documentation: For developer/user understanding. Domain: Defines the technical attributes like data type, length, value range, etc.
A domain defines the technical characteristics of a field, such as: Data type (e.g., CHAR, NUMC, DEC) Field length Decimal places Value ranges (fixed values or intervals) Domains help in reusing field definitions across multiple tables or structures.
In ABAP, system fields are predefined fields provided by the SAP runtime environment. They hold important contextual information about the program’s current state — like the current date, time, user, or return codes of statements. These fields start with SY- and ...