Avoid Abstract Final Classes

WarningAnti-Patterns & Bad Practices#EC NO_ABSTRACT_FINALRemote Enabled

Overview

A class cannot be defined as both ABSTRACT and FINAL.

ATC Finding Message: Class cannot be both ABSTRACT and FINAL

Rationale

A class cannot be both ABSTRACT and FINAL simultaneously. Abstract classes must be inherited from, while final classes prohibit inheritance.

Non-Compliant

CLASS lcl_demo DEFINITION ABSTRACT FINAL.
ENDCLASS.

Compliant

CLASS lcl_demo DEFINITION FINAL.
ENDCLASS.

Suppression

To suppress findings for this rule, append the pseudo-comment to the statement:

" Standard pseudo-comment:
... "#EC NO_ABSTRACT_FINAL

" SAP CI_ prefix format:
... "#EC CI_NO_ABSTRACT_FINAL

Related Rules

• Avoid Empty Procedures — #EC NO_EMPTY_PROC
• Avoid Dead Code with Constant Conditions — #EC NO_DEAD_CODE

Technical Details

• Native ATC Class: ZCL_SKYLINT_NO_ABSTRACT_FINAL
• Implementation File: zcl_skylint_no_abstract_final.clas.abap