Types of Programs in SAP ABAP

DPM125 — Thu, 07 Aug 2025 07:30:32 +0000

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, utility classes
Interface	`J`	Global interface definitions	❌ No	Interface inheritance in OO classes

Includes in SAP ABAP

DPM125 — Fri, 01 Aug 2025 13:50:52 +0000

An include is a code fragment stored separately and inserted into a program using the INCLUDE statement. It’s mainly used to split a large program into manageable blocks.

When to use:

To split large programs into smaller reusable blocks.
Often used for reusable FORM routines or declarations.

" Data decelarttion
INCLUDE ZSHVIMA_12_1.   " zshivam_12_TOP.
*
*" declare screen element. " Zshivam_12_SCR.
include zshivam_12_SCR.


*" declare you subroutine  " ZSHIVAM_12_FRM.
include zshivam_12_from.
*

*" in which report event we will be write or executing our logical code.
START-OF-SELECTION.
" call subroutine
  perform addition.

" subtract numbers  -- reference
  PERFORM subtract using p_num1 p_num2
                   CHANGING gv_total.

" BODMAS
    perform BODMAS.

Include Program:

Subroutines in Include.

*&---------------------------------------------------------------------*
*&  Include           ZSHIVAM_12_FROM
*&---------------------------------------------------------------------*

" subcroutine for addition.
Form addition.
  gv_total = p_num1 + p_num2.
  WRITE : gv_total.
endform.


*&---------------------------------------------------------------------*
*&      Form  SUBTRACT
*&---------------------------------------------------------------------*
*       text
*----------------------------------------------------------------------*
*      -->P_P_NUM1  text
*      -->P_P_NUM2  text
*      <--P_LV_TOTAL  text
*----------------------------------------------------------------------*
FORM subtract  USING    p_num1
                        p_num2
               CHANGING p_lv_total.

  p_lv_total = p_num1 - p_num2.

  WRITE : p_lv_total.
ENDFORM.


  " block design --> readable
*&---------------------------------------------------------------------*
*&      Form  BODMAS
*&---------------------------------------------------------------------*
*       text
*----------------------------------------------------------------------*
*  -->  p1        text
*  <--  p2        text
*----------------------------------------------------------------------*
FORM bodmas .
  perform addition.
  PERFORM subtract using p_num1 p_num2 CHANGING gv_subtract.
  gv_mul = p_num1 * p_num2.
  WRITE gv_mul.
ENDFORM.

Selection Screen in Include Program.

*&---------------------------------------------------------------------*
*&  Include           ZSHIVAM_12_SCR
*&---------------------------------------------------------------------*


PARAMETERS : p_num1 type i,
             p_num2 type i.

Data Declaration in Include Program

*&---------------------------------------------------------------------*
*&  Include           ZSHVIMA_12_1
*&---------------------------------------------------------------------*


DATA : gv_total TYPE i,
       gv_subtract TYPE i,
       gv_mul TYPE i.

Output:

programs – SAP EWM Help

Types of Programs in SAP ABAP

Includes in SAP ABAP

When to use: