OO ABAP [2020] - Abstract Class - Part 1

OO ABAP [2020] - Abstract Class - Part 1
OO ABAP Tutorial
What is an abstract class?
An abstract class is a class that is declared abstract.
This class cannot be instantiated.
It may or may not include abstract methods.
Subclasses should actually implement the abstract methods of its superclass.
When an abstract class is subclassed, the subclass usually provides implementations for all of the abstract methods in its parent class.
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[@SoorajSasidharanABAP]

If you haven't watched OO ABAP - Part 1, Please watch it from the below link. kzbin.info/www/bejne/Y57Kdnd_gt9rhKM

[@prateekdhawan4211]

I have gone through several videos. This is the best. Never understood abstract class so well. Thanx man!!

[@abhishekkhanna6250]

Sooraj please don't stop making videos on ABAP. It's very helpful.

[@tejasnagare5502]

concept explained in very perfect manner and simple words. best video !

[@SAPwithJaithera]

Best video on abstract concepts....thanks man!!!

[@nksingh9823]

Very nicely explained

[@janibasha5774]

Excellent explanation Sooraj..Keep it up !!

[@abhimanyusingh6368]

Very well explained

[@ramanjireddygatla2054]

Excellent Sooraj.

[@tsp3884]

It was crystal clear explanation... Thank you sooraj and eagerly waiting for lot more videos like this.

[@SoorajSasidharanABAP]

Glad you liked it. Keep watching 🙂

[@Kdmessi1705]

Awesome Sooraj !

[@rvdadhich]

GREAT LEARNING... THANKS FOR SHARING ❤️🎉👏😊

[@shounakbanerjee6634]

Thanks Sooraj that was a great and simple way to explain the purpose of abstract classes. It would be helpful if you made one video on persistent classes as well.

[@zurukul1]

Спасибо! 😀

[@pankajkumaram]

Nice explanation and wonderful communication.. Superb

[@SoorajSasidharanABAP]

Glad you liked it. Thank you Pankaj. :)

[@harshgupta5113]

Nice 👍

[@nagarajmuniyappa6631]

SUPER EXPLANATION IN EASY METHOD OF UNDERSTANDING

[@SoorajSasidharanABAP]

Thanks Nagaraj.. Keep watching.. :-)

[@srdude311]

Thanks for the video. Now I understood it clearly

[@SoorajSasidharanABAP]

Glad it helped! :)

[@saumyanair8413]

Thanks Suraj for your efforts.Eagerly waiting for a video on casting or on any other topic of OO ABAP.

[@SoorajSasidharanABAP]

Keep watching.. :)

[@Ayushpantap]

Love the way to teach

[@SoorajSasidharanABAP]

Thanks Ayush :-)

[@vasu1012]

good

[@sangeetakhokhar1141]

Very clear explanation. Please create a video on singleton class also.

[@prashanthbittu5032]

Session is extremely good but if you would have been explain with any example with Abap that would be grateful..😎😎😎👍🏻

[@sreesrikanth4662]

It’s a good explanation thank you. Please make more videos with simple examples

[@sreesrikanth4662]

Can you make video with real time scenario using sales order or something related to business . For Abstract class and methods

[@fahadchaudhary8145]

Very helpful..... Make a video on AMDP and continue with the OOPS topic

[@SoorajSasidharanABAP]

Noted

[@poonampoonam305]

NICE VIDEO PLS UPLOAD MORE VIDEOS ON OOPS CONCEPT

[@rameshputta535]

Hi Sooraj, enjoyed your video. thank you. But one thing I am trying to understand is, whats the advantage of using the abstract method 'make_sound' here ? You are anyway declaring this method in subclass (with REDEFINITION). why do we need to declare it in super class as ABSTRACT method and then use it in sub class ? Can we not simply create a method in CAT class ? Am i missing something ?

[@SoorajSasidharanABAP]

There is a reason for that. It would be more clear when I make a part2 of the video.. Keep watching:-)

[@aridgp1]

What an excellent and simple way of understanding!! I was wishing you will make another sub class Cow and write "mow" in the method redefinition of make_sound 😂

[@SoorajSasidharanABAP]

😀😀😀

[@SandeepKumar-ew6tz]

Sooraj, please try to cover all the OOPS topics with short examples.

[@madhusudhandas1637]

Hi Sooraj, Nice explanation. Question : Can I create an Abstract class in SE24 ?

[@SoorajSasidharanABAP]

Of course..there is an instantion type drop down within se24

[@karthiks9161]

Thanks and it gives clear picture on abstract...i have a small doubt...If we are not planning to have implementation on abstract...only defintions...then why we need to create only definitions here... or at any time ..or on other RICEF I can just consume this abstract class definitions and play around my own logic as per my requirments with own implementation ???

[@diptiparvathaneni1968]

Hi sooraj, is it possible for you to do videos on sapui5 😀

[@0909090926]

I like all your videos...but you should post videos frequently...

[@SoorajSasidharanABAP]

I will try my best

[@HarshadaRLohar]

Please also provide odata videos

[@savesoil5544]

Good explain bro.. I want to join if u provide any trainings

[@ankitajoshi1737]

Hi Sooraj, one doubt If we redefine the concrete method (sleep)of abstract class in the sub class then how can we display the original logic of parent class method sleep?

[@aridgp1]

Using super_define () method.

[@czejenrushovic8763]

What about fish and snail?

[@vikramkhandelwalkhandelwal495]

How many type of classes are there in OO ABAP?

[@gordanaspicer879]

is there a second video for abstaract class?

[@SoorajSasidharanABAP]

Hi Gordana.. not yet.. thanks for watching :-)

[@surojitdey9219]

Please make a video on Widen cast ?

[@SoorajSasidharanABAP]

Hi Surojit, will consider that :-)

[@pankajkumaram]

kzbin.info/www/bejne/f5rEnHt5mqimbac

[@0909090926]

Yes that would be great do include narrow cast as well..

[@surojitdey9219]

Pankaj Kumar , I saw your video, couldn't get the concept on which scenario should we use Wide cast ? Don't tell me assigning super class' instance to Sub Class' Instance is wide casing. Why should we do wide cast ? When it is needed. But Sooraj's explanation make us understand quite comfortably.

[@surojitdey9219]

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