Creating multilevel inheritance in ABAP Objects

Multilevel inheritance can be better explained as grandfather-> father->child type of
inheritance ,where the sub class inherits the property of the superclass ,as well as it has
some property of its own . Multilevel inheritance can be created like normal inheritance.


for example father inheriting from grandfather and further the child from father. Lets take an example.

CLASS grand_father DEFINITION.
******/ write the code*****
ENDCLASS.
CLASS father DEFINITION INHERITING FROM grand_father.
*******/write the code*********
ENDCLASS.
CLASS son DEFINITION INHERITING FROM father.
*******/write the code ********
ENDCLASS.