information systems used to be defined primarily by their functionality.
SAP OOPS ABAP Online Training
In the past, information systems used to be defined primarily by their functionality Data and functions were kept separate and linked together by means of input and output relations.The object oriented approach, however, focuses on objects that represent abstract or concrete things of the real world.
What you will learn
These objects are first defined by their character and their properties, which are represented by their internal structure and their attributes (data). The behavior of these objects is described by methods (functionality).