What is an abstract class in ooabap ?
What is the use of final class?
What are the differences between abap and ooabap? In which situation we use ooabap?
What is alias?
What is a de-referenced variable?
How to create a global class?
What is a local class in sap ?
What are the advantages of oo alv ?
How to declare and raise events in ooabap ?
How to call a method?
What is a reference variable?
What are the principles of object-oriented programming(oop)?
What are abstract classes and methods in object-oriented programming?
What is the difference between abstract method and a final method?
How to create an object for private class?