is a collection of formally defined
methods without any coding. formally
defined methods refer to the names of
methods and their signatures.
Reference Variables
Also know as pointer with statement
REF TO. creates a pointer not a object.
after you can create a object using the
defined reference variable.
Interface Reference
there is no way to instantiate because they do not
have any coding. there implementation is given by
a class. they only call the interface components of
an object of the implementing class.
Take into account the
changes to the software
delivery process.
SAP provides the enhancement
points. they required a lest one
interface and a BadI class.
Each BAdl Contains the following
components: Program enhancements, Menu
enhancements and Screen enhancements