What are the principles of object-oriented programming(oop)?
What is a reference variable?
What is narrow casting?
What is the difference in an instance method and a static method?
What are the differences local & global classes?
What is the difference between function group and classes?
What is friends keyword?
What are the advantages of oo alv ?
What is a class in ooabap?
What is inheritance in oo abap?
What is alias name in ooabap?
What are abstract classes and methods in object-oriented programming?
Can we declare events in interface in ooabap ?
What is alias?
What is object-oriented programming language?