Learn Abap - 10 Code Examples & CST Typing Practice Test

ABAP (Advanced Business Application Programming) is a high-level, strongly typed, event-driven programming language created by SAP for developing business applications on the SAP platform. It is primarily used for enterprise resource planning (ERP), reporting, and workflow automation.

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ABAP Counter and Theme Toggle ABAP Fibonacci Sequence ABAP Factorial Calculator ABAP Even/Odd Checker ABAP Sum of Array ABAP Reverse String ABAP Prime Checker ABAP Multiplication Table ABAP Temperature Converter ABAP Simple Alarm Simulation

Learn ABAP with Real Code Examples

Updated Nov 20, 2025

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Code Sample Descriptions

ABAP Counter and Theme Toggle

DATA: count TYPE i VALUE 0.
DATA: isDark TYPE abap_bool VALUE abap_false.

FORM update_ui.
    WRITE: / 'Counter:', count.
    WRITE: / 'Theme:', (IF isDark = abap_true THEN 'Dark' ELSE 'Light').
ENDFORM.

FORM increment.
    count = count + 1.
    PERFORM update_ui.
ENDFORM.

FORM decrement.
    count = count - 1.
    PERFORM update_ui.
ENDFORM.

FORM reset.
    count = 0.
    PERFORM update_ui.
ENDFORM.

FORM toggle_theme.
    isDark = abap_not isDark.
    PERFORM update_ui.
ENDFORM.

" Simulate actions
PERFORM update_ui.
PERFORM increment.
PERFORM increment.
PERFORM toggle_theme.
PERFORM decrement.
PERFORM reset.

Demonstrates a simple counter with theme toggling using ABAP variables and WRITE statements.

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ABAP Fibonacci Sequence

DATA: a TYPE i VALUE 0.
DATA: b TYPE i VALUE 1.
DATA: c TYPE i.
WRITE: / a, b.

DO 8 TIMES.
    c = a + b.
    WRITE: / c.
    a = b.
    b = c.
ENDDO.

Generates the first 10 Fibonacci numbers.

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ABAP Factorial Calculator

DATA: n TYPE i VALUE 5.
DATA: factorial TYPE i VALUE 1.

DO n TIMES.
    factorial = factorial * sy-index.
ENDDO.

WRITE: / 'Factorial:', factorial.

Calculates the factorial of a given number.

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ABAP Even/Odd Checker

DATA: num TYPE i VALUE 7.
IF num MOD 2 = 0.
    WRITE: / 'Even'.
ELSE.
    WRITE: / 'Odd'.
ENDIF.

Checks if a number is even or odd.

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ABAP Sum of Array

DATA: it_numbers TYPE TABLE OF i WITH DEFAULT KEY.
DATA: sum TYPE i VALUE 0.

APPEND 1 TO it_numbers.
APPEND 2 TO it_numbers.
APPEND 3 TO it_numbers.
APPEND 4 TO it_numbers.
APPEND 5 TO it_numbers.

LOOP AT it_numbers INTO DATA(num).
    sum = sum + num.
ENDLOOP.

WRITE: / 'Sum:', sum.

Calculates the sum of an internal table.

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ABAP Reverse String

DATA: text TYPE string VALUE 'Hello'.
DATA: reversed TYPE string.

DO STRLEN( text ) TIMES.
    reversed = text+sy-index(1) && reversed.
ENDDO.

WRITE: / 'Reversed:', reversed.

Reverses a given string.

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ABAP Prime Checker

DATA: num TYPE i VALUE 13.
DATA: isPrime TYPE abap_bool VALUE abap_true.

DO num - 2 TIMES.
    IF num MOD ( sy-index + 1 ) = 0.
        isPrime = abap_false.
        EXIT.
    ENDIF.
ENDDO.

IF isPrime = abap_true.
    WRITE: / 'Prime'.
ELSE.
    WRITE: / 'Not Prime'.
ENDIF.

Checks if a number is prime.

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ABAP Multiplication Table

DATA: num TYPE i VALUE 5.
DO 10 TIMES.
    WRITE: / num, 'x', sy-index, '=', num * sy-index.
ENDDO.

Displays multiplication table of a number.

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ABAP Temperature Converter

DATA: celsius TYPE f VALUE 25.
DATA: fahrenheit TYPE f.

fahrenheit = ( celsius * 9 / 5 ) + 32.
WRITE: / celsius, 'C =', fahrenheit, 'F'.

Converts Celsius to Fahrenheit.

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ABAP Simple Alarm Simulation

DATA: temperature TYPE i VALUE 80.
DATA: threshold TYPE i VALUE 75.

IF temperature > threshold.
    WRITE: / 'Alarm: Temperature Too High!'.
ELSE.
    WRITE: / 'Temperature Normal'.
ENDIF.

Simulates an alarm when a threshold is reached.

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Frequently Asked Questions about Abap

What is Abap?

What are the primary use cases for Abap?

Custom SAP reports and ALV grids. Enhancements to standard SAP functionality. Batch jobs and background processing. SAP interfaces (IDocs, BAPIs, RFCs). Workflow and business rule automation. Forms (SmartForms, Adobe Forms) development

What are the strengths of Abap?

Deep SAP ecosystem integration. Powerful for ERP customization. Supports complex business logic. Mature tools and debugging features. Extensive standard library of SAP function modules

What are the limitations of Abap?

Limited portability outside SAP. Less suitable for modern web or mobile apps. Verbose syntax for complex logic. Primarily tied to SAP database and environment. Steep learning curve for non-SAP developers

How can I practice Abap typing speed?

CodeSpeedTest offers 10+ real Abap code examples for typing practice. You can measure your WPM, track accuracy, and improve your coding speed with guided exercises.

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Code Sample Descriptions

ABAP Counter and Theme Toggle

DATA: count TYPE i VALUE 0.
DATA: isDark TYPE abap_bool VALUE abap_false.

FORM update_ui.
    WRITE: / 'Counter:', count.
    WRITE: / 'Theme:', (IF isDark = abap_true THEN 'Dark' ELSE 'Light').
ENDFORM.

FORM increment.
    count = count + 1.
    PERFORM update_ui.
ENDFORM.

FORM decrement.
    count = count - 1.
    PERFORM update_ui.
ENDFORM.

FORM reset.
    count = 0.
    PERFORM update_ui.
ENDFORM.

FORM toggle_theme.
    isDark = abap_not isDark.
    PERFORM update_ui.
ENDFORM.

" Simulate actions
PERFORM update_ui.
PERFORM increment.
PERFORM increment.
PERFORM toggle_theme.
PERFORM decrement.
PERFORM reset.

Demonstrates a simple counter with theme toggling using ABAP variables and WRITE statements.

Let’s Try →

ABAP Fibonacci Sequence

DATA: a TYPE i VALUE 0.
DATA: b TYPE i VALUE 1.
DATA: c TYPE i.
WRITE: / a, b.

DO 8 TIMES.
    c = a + b.
    WRITE: / c.
    a = b.
    b = c.
ENDDO.

Generates the first 10 Fibonacci numbers.

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ABAP Factorial Calculator

DATA: n TYPE i VALUE 5.
DATA: factorial TYPE i VALUE 1.

DO n TIMES.
    factorial = factorial * sy-index.
ENDDO.

WRITE: / 'Factorial:', factorial.

Calculates the factorial of a given number.

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ABAP Even/Odd Checker

DATA: num TYPE i VALUE 7.
IF num MOD 2 = 0.
    WRITE: / 'Even'.
ELSE.
    WRITE: / 'Odd'.
ENDIF.

Checks if a number is even or odd.

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ABAP Sum of Array

DATA: it_numbers TYPE TABLE OF i WITH DEFAULT KEY.
DATA: sum TYPE i VALUE 0.

APPEND 1 TO it_numbers.
APPEND 2 TO it_numbers.
APPEND 3 TO it_numbers.
APPEND 4 TO it_numbers.
APPEND 5 TO it_numbers.

LOOP AT it_numbers INTO DATA(num).
    sum = sum + num.
ENDLOOP.

WRITE: / 'Sum:', sum.

Calculates the sum of an internal table.

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ABAP Reverse String

DATA: text TYPE string VALUE 'Hello'.
DATA: reversed TYPE string.

DO STRLEN( text ) TIMES.
    reversed = text+sy-index(1) && reversed.
ENDDO.

WRITE: / 'Reversed:', reversed.

Reverses a given string.

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ABAP Prime Checker

DATA: num TYPE i VALUE 13.
DATA: isPrime TYPE abap_bool VALUE abap_true.

DO num - 2 TIMES.
    IF num MOD ( sy-index + 1 ) = 0.
        isPrime = abap_false.
        EXIT.
    ENDIF.
ENDDO.

IF isPrime = abap_true.
    WRITE: / 'Prime'.
ELSE.
    WRITE: / 'Not Prime'.
ENDIF.

Checks if a number is prime.

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ABAP Multiplication Table

DATA: num TYPE i VALUE 5.
DO 10 TIMES.
    WRITE: / num, 'x', sy-index, '=', num * sy-index.
ENDDO.

Displays multiplication table of a number.

Let’s Try →

ABAP Temperature Converter

DATA: celsius TYPE f VALUE 25.
DATA: fahrenheit TYPE f.

fahrenheit = ( celsius * 9 / 5 ) + 32.
WRITE: / celsius, 'C =', fahrenheit, 'F'.

Converts Celsius to Fahrenheit.

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ABAP Simple Alarm Simulation

DATA: temperature TYPE i VALUE 80.
DATA: threshold TYPE i VALUE 75.

IF temperature > threshold.
    WRITE: / 'Alarm: Temperature Too High!'.
ELSE.
    WRITE: / 'Temperature Normal'.
ENDIF.

Simulates an alarm when a threshold is reached.

Let’s Try →

Frequently Asked Questions about Abap

What is Abap?

What are the primary use cases for Abap?

What are the strengths of Abap?

Deep SAP ecosystem integration. Powerful for ERP customization. Supports complex business logic. Mature tools and debugging features. Extensive standard library of SAP function modules

What are the limitations of Abap?

How can I practice Abap typing speed?

CodeSpeedTest offers 10+ real Abap code examples for typing practice. You can measure your WPM, track accuracy, and improve your coding speed with guided exercises.