{"id":7159,"date":"2025-07-30T22:43:07","date_gmt":"2025-07-30T17:13:07","guid":{"rendered":"https:\/\/www.sapewmhelp.com\/?question=what-is-final-class"},"modified":"2025-07-31T10:37:23","modified_gmt":"2025-07-31T05:07:23","slug":"what-is-final-class","status":"publish","type":"question","link":"https:\/\/www.sapewmhelp.com\/?question=what-is-final-class","title":{"rendered":"What is Final Class ? how to use final class in SAP ABAP"},"content":{"rendered":"

A final class is declared using the keyword FINAL in its definition. It’s used when you want to prevent further inheritance of the class, ensuring its behavior cannot be modified through subclassing.<\/p>\n

Why Use a Final Class?<\/h3>\n
\n
\n\n\n\n\n\n\n\n\n
Reason<\/strong><\/th>\nExplanation<\/strong><\/th>\n<\/tr>\n<\/thead>\n
Encapsulation<\/td>\nPrevents modification of core behavior.<\/td>\n<\/tr>\n
Security and Stability<\/td>\nEnsures the logic remains consistent, especially for critical functionality.<\/td>\n<\/tr>\n
Performance<\/td>\nABAP runtime can optimize calls to final classes (minor performance benefit).<\/td>\n<\/tr>\n
Design Decision<\/td>\nEnforces design rule that a class should not be extended.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\n
<\/div>\n
\n
\n
*&---------------------------------------------------------------------*<\/span>\n*&\u00a0Report\u00a0\u00a0ZREP_LCLCLASS<\/span>\n*&<\/span>\n*&---------------------------------------------------------------------*<\/span>\n*&<\/span>\n*&<\/span>\n*&---------------------------------------------------------------------*<\/span>\n\nREPORT\u00a0<\/span>zrep_lclclass.<\/span>\n\nCLASS\u00a0<\/span>zcl_final_class\u00a0DEFINITION\u00a0<\/span>FINAL.<\/span>\n\u00a0\u00a0PUBLIC\u00a0<\/span>SECTION<\/span>.<\/span>\n\u00a0\u00a0\u00a0\u00a0METHODS<\/span>:\u00a0<\/span>display.<\/span>\nENDCLASS<\/span>.<\/span>\n\nCLASS\u00a0<\/span>zcl_final_class\u00a0IMPLEMENTATION<\/span>.<\/span>\n\u00a0\u00a0METHOD\u00a0<\/span>display.<\/span>\n\u00a0\u00a0\u00a0\u00a0WRITE<\/span>:\u00a0<\/span>'This\u00a0is\u00a0<\/span>a\u00a0final\u00a0class'.<\/span>\n\u00a0\u00a0ENDMETHOD<\/span>.<\/span>\nENDCLASS<\/span>.<\/span>\n\n\nCLASS\u00a0<\/span>zcl_subclass\u00a0DEFINITION\u00a0<\/span>INHERITING\u00a0<\/span>FROM\u00a0<\/span>zcl_final_class.<\/span>\n\u00a0\u00a0PUBLIC\u00a0<\/span>SECTION<\/span>.<\/span>\nENDCLASS<\/span>.<\/span><\/span> <\/code><\/pre>\n<\/div>\n
Output :
\nwhile saving the changes
\n<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n
\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"closed","template":"","question-category":[174],"question_tags":[171,193,194,168,177],"class_list":["post-7159","question","type-question","status-publish","hentry","question-category-ooabap","question_tags-class","question_tags-final-class","question_tags-objects","question_tags-ooabap","question_tags-sap"],"_links":{"self":[{"href":"https:\/\/www.sapewmhelp.com\/index.php?rest_route=\/wp\/v2\/question\/7159","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.sapewmhelp.com\/index.php?rest_route=\/wp\/v2\/question"}],"about":[{"href":"https:\/\/www.sapewmhelp.com\/index.php?rest_route=\/wp\/v2\/types\/question"}],"author":[{"embeddable":true,"href":"https:\/\/www.sapewmhelp.com\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.sapewmhelp.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=7159"}],"wp:attachment":[{"href":"https:\/\/www.sapewmhelp.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=7159"}],"wp:term":[{"taxonomy":"question-category","embeddable":true,"href":"https:\/\/www.sapewmhelp.com\/index.php?rest_route=%2Fwp%2Fv2%2Fquestion-category&post=7159"},{"taxonomy":"question_tags","embeddable":true,"href":"https:\/\/www.sapewmhelp.com\/index.php?rest_route=%2Fwp%2Fv2%2Fquestion_tags&post=7159"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}