How To Fix OO118 - Methods cannot be both abstract and final

SAP Error Message - Details

• Message type: E = Error

• Message class: OO - Class Builder/API

• Message number: 118

• Message text: Methods cannot be both abstract and final

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message OO118 - Methods cannot be both abstract and final ?

  The SAP error message OO118, which states "Methods cannot be both abstract and final," typically occurs in ABAP Object-Oriented programming when there is a conflict in the method definition of a class. Specifically, it indicates that a method is being declared as both ABSTRACT and FINAL, which is not allowed in ABAP.
  
  Cause:
  
  Abstract Method: An abstract method is a method that is declared without an implementation. It must be implemented in any subclass that inherits from the class containing the abstract method.
  Final Method: A final method is a method that cannot be overridden in any subclass. It has a complete implementation and is intended to be used as is.
  
  Since an abstract method is meant to be overridden and a final method is not, declaring a method as both creates a logical contradiction, leading to this error.
  
  Solution:
  To resolve this error, you need to modify the method declaration in your class. You should