Interface vs abstract class vs concrete class

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DURGA EDUCATION

DURGA EDUCATION

10 жыл бұрын

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Пікірлер: 93
@MrNavin2411
@MrNavin2411 9 жыл бұрын
May be his english is not good ...but has balls to present his knowledge..hats off
@avdhesh2010
@avdhesh2010 9 жыл бұрын
navin navinmurrari have you seen his balls ;)
@DURGAEDUCATION
@DURGAEDUCATION 9 жыл бұрын
+navin navinmurrari Demo Sessions on youtube, Language Fundamentals(16 Videos)kzfaq.info/get/bejne/m7qIl5tq2Z7Sl30.html, Operators & Assignments(7 Videos)kzfaq.info/get/bejne/Z7B3grOZrt_McYE.html, Flow Control(6 Videos)kzfaq.info/get/bejne/jpyihpynqZ-RoYE.html.
@jackoboy5047
@jackoboy5047 4 жыл бұрын
His English is good ... his accent is different .. i am a white Australian...
@mayuragrawal4410
@mayuragrawal4410 8 жыл бұрын
Started Exploring your videos Durga sir... You are doing excellent job...
@sonalshinde4960
@sonalshinde4960 2 жыл бұрын
Sir I don't know how to thank u.....I mean the kind of clarity ,confidence u have brought in me when it comes to java programming i can't put it into the words...may god bless u wid whatever u want.....
@sameersawla8027
@sameersawla8027 9 жыл бұрын
I have seen a lot of people explaining concepts. But I find you more understandable. Good job man
@DURGAEDUCATION
@DURGAEDUCATION 9 жыл бұрын
+Sameer Sawla Demo Sessions on youtube, Language Fundamentals(16 Videos)kzfaq.info/get/bejne/m7qIl5tq2Z7Sl30.html, Operators & Assignments(7 Videos)kzfaq.info/get/bejne/Z7B3grOZrt_McYE.html, Flow Control(6 Videos)kzfaq.info/get/bejne/jpyihpynqZ-RoYE.html.
@spud181818
@spud181818 6 жыл бұрын
Thank you for the explaining these in a basic format it is very helpful.
@BrownGuru
@BrownGuru 9 жыл бұрын
Respect for your simple way of explanation
@praveengadiyaram7621
@praveengadiyaram7621 7 жыл бұрын
building example is epic. Great teaching, Thank u sir.
@artistsnehal6951
@artistsnehal6951 3 жыл бұрын
Brillient explanation.... 👌 This session use to build the knowledge about Java👍
@bharanikumar9513
@bharanikumar9513 8 жыл бұрын
durga perfect,so many visitors count and up like count, awesome video, i like it.... keep it up
@anirbanroy1524
@anirbanroy1524 6 жыл бұрын
Excellent lecture Sir. Very clearly explained indeed
@kartheekmummareddy
@kartheekmummareddy 8 жыл бұрын
Awesome sir... you are Java Guru
@pankaj90241
@pankaj90241 3 жыл бұрын
When I see you in youtube feel very happy,❤️
@mohamedatia7978
@mohamedatia7978 4 жыл бұрын
thank you Mr/ Durga you really helped me to understand
@rajeebauddy4341
@rajeebauddy4341 5 жыл бұрын
Best teacher for oops
@sivapradeep977
@sivapradeep977 3 жыл бұрын
Clear cut example sir.....❤️
@npggreat
@npggreat 8 жыл бұрын
This is just my thoughts, In the building example for my understanding I will relate Abstract class with building all 1000 stories building but with minimum implementation like just putting room Walls, Ceilings, Electrical and Water supplies, and then remaining like Doors, Interior Colors, Furniture, Electrical switches and other stuff leave for the persons who will rent it as it can be different for every story or even every room and thats where ConcreteClasses will come which will provide full functionality based on their requirement extending those AbstractClasses(Stories).
@nandakumar6533
@nandakumar6533 3 жыл бұрын
Thanku you sir for your valuable and easy explanation 😀.
@SaadmaanMahmidShoshi
@SaadmaanMahmidShoshi 9 жыл бұрын
Awesome!!!! It was very nicely explained. A very effective video.
@DURGAEDUCATION
@DURGAEDUCATION 9 жыл бұрын
+Saadmaan Mahmid (Shoshi) Demo Sessions on youtube, Language Fundamentals(16 Videos)kzfaq.info/get/bejne/m7qIl5tq2Z7Sl30.html, Operators & Assignments(7 Videos)kzfaq.info/get/bejne/Z7B3grOZrt_McYE.html, Flow Control(6 Videos)kzfaq.info/get/bejne/jpyihpynqZ-RoYE.html.
@saushthavkatoch5485
@saushthavkatoch5485 8 жыл бұрын
Insightful perspective
@kalyani9704
@kalyani9704 7 жыл бұрын
nice explanation sir
@tapanjeetroy8266
@tapanjeetroy8266 Жыл бұрын
Thanks for the session
@aakashyadav8327
@aakashyadav8327 3 жыл бұрын
Amazing explanation
@baskerb5232
@baskerb5232 7 жыл бұрын
sir please upload the spring videos..Nice explanation
@mahir_labib
@mahir_labib Жыл бұрын
Damn this guy is a legend
@kalyanidotnet5905
@kalyanidotnet5905 9 жыл бұрын
nice sir its easily understandable...thq so much
@DURGAEDUCATION
@DURGAEDUCATION 9 жыл бұрын
+kalyani ias Demo Sessions on youtube, Language Fundamentals(16 Videos)kzfaq.info/get/bejne/m7qIl5tq2Z7Sl30.html, Operators & Assignments(7 Videos)kzfaq.info/get/bejne/Z7B3grOZrt_McYE.html, Flow Control(6 Videos)kzfaq.info/get/bejne/jpyihpynqZ-RoYE.html.
@nallathambit6393
@nallathambit6393 4 жыл бұрын
Very nice all video
@dipalipawar924
@dipalipawar924 7 жыл бұрын
awsm lectr...
@maheswarani5485
@maheswarani5485 6 жыл бұрын
dipali pawar... Hi
@learningislife2934
@learningislife2934 2 жыл бұрын
Big fan sir still 2021 And 2050
@salembalan
@salembalan 8 жыл бұрын
@ Durga education you have forget main explanation for abstract class that it cannot be instantiated and any class which extends an abstract class implement all its methods !!!
@saddammd
@saddammd 9 жыл бұрын
Good Explanation
@DURGAEDUCATION
@DURGAEDUCATION 9 жыл бұрын
+Saddam Hussain Demo Sessions on youtube, Language Fundamentals(16 Videos)kzfaq.info/get/bejne/m7qIl5tq2Z7Sl30.html, Operators & Assignments(7 Videos)kzfaq.info/get/bejne/Z7B3grOZrt_McYE.html, Flow Control(6 Videos)kzfaq.info/get/bejne/jpyihpynqZ-RoYE.html.
@anandgupta5480
@anandgupta5480 2 жыл бұрын
Hi Sir , It was a fabulous question , tho I have a question why can't we use concrete class with interface instead of abstract class and if it possible is abstract class concept is a redundant concept .if not then why we can't use concrete class with interface instead of abstract class
@gustavgmcsd
@gustavgmcsd 9 жыл бұрын
nicely explained
@DURGAEDUCATION
@DURGAEDUCATION 9 жыл бұрын
+Gustavo Garcia (gamer) Demo Sessions on youtube, Language Fundamentals(16 Videos)kzfaq.info/get/bejne/m7qIl5tq2Z7Sl30.html, Operators & Assignments(7 Videos)kzfaq.info/get/bejne/Z7B3grOZrt_McYE.html, Flow Control(6 Videos)kzfaq.info/get/bejne/jpyihpynqZ-RoYE.html.
@aqkhana2002
@aqkhana2002 6 жыл бұрын
english is shit, but this is the simple definition i have learned from you ;) good on you
@FIFA10Monster
@FIFA10Monster 8 жыл бұрын
I love you man
@rimjhim4278
@rimjhim4278 9 жыл бұрын
very good sir
@DURGAEDUCATION
@DURGAEDUCATION 9 жыл бұрын
+rimjhim4278 Demo Sessions on youtube, Language Fundamentals(16 Videos)kzfaq.info/get/bejne/m7qIl5tq2Z7Sl30.html, Operators & Assignments(7 Videos)kzfaq.info/get/bejne/Z7B3grOZrt_McYE.html, Flow Control(6 Videos)kzfaq.info/get/bejne/jpyihpynqZ-RoYE.html.
@sonalimahadikpawar767
@sonalimahadikpawar767 4 жыл бұрын
Could you please upload more videos on java?
@massoudmassoudi1050
@massoudmassoudi1050 9 жыл бұрын
Programming is not theoretical you should explain every parts practically in Eclipse.
@bhushangosavi435
@bhushangosavi435 5 жыл бұрын
This is not a programming tutorial series. This is Java Interview Questions series. You should appreciate the free content.
@bhushangosavi435
@bhushangosavi435 5 жыл бұрын
@@nikhilchaubey5889 gali kyon de rahe he? Jo free ke videos banate he unako appreciate karana chahiye.. kuchh galat bola kya?
@143sumitkumar
@143sumitkumar 7 жыл бұрын
can I learn java from these videos if I am a beginner in java?
@supreethdraj3749
@supreethdraj3749 Жыл бұрын
Yes exactly
@ChessPuzzlesVideo
@ChessPuzzlesVideo 9 жыл бұрын
A question asked by Accenture in technical round : Why we can't create object of Abstract classes?
@jonassx100
@jonassx100 7 жыл бұрын
coz its not fully implemented , how u are supposed to make object of something which is not completely implemented..
@warunparker4061
@warunparker4061 6 жыл бұрын
Because it's just like a home but with only the metal bar structure.. No cement no closing using roof or anything... U cannot sleep inside it.. Its not a home... But if u say I want to build something like that then YOU MUST HAVE that structure altho u can put cement paint and (implement) it and sleep happily.. But you can't sleep in an abstract class it's just abstract
@anandg4018
@anandg4018 6 жыл бұрын
Abstract class have concrete methods and it is not necessary to have at least one method abstract inside abstract class,, then there is a full of method implementation,, still why can't we Create object of an abstract class. Please anyone...
@AMITKUMARSINGH-zj7xo
@AMITKUMARSINGH-zj7xo 6 жыл бұрын
We can't create object of abstract class but JVM will, in your abstract class default constructor write a sysout and when you will run your program you will get that sysout in your console
@nandkumarjha952
@nandkumarjha952 6 жыл бұрын
sir we can made the object of abstract class using anonymous class
@looploopertzg3511
@looploopertzg3511 7 жыл бұрын
entropies....
@menkakumari4315
@menkakumari4315 6 жыл бұрын
sir plz upload jsp videos of durga sir
@ramanjigogula4906
@ramanjigogula4906 6 жыл бұрын
hmm
@sanketh768
@sanketh768 3 жыл бұрын
After java 8 interfaces also supports partial implementation. So that make interfaces and abstraction almost same right? Could someone help me with this confusion?
@maankhurana5814
@maankhurana5814 3 жыл бұрын
Yes brother
@maankhurana5814
@maankhurana5814 3 жыл бұрын
I can't see any difference now because we can define method in abstract class and after 1.8 we can also define method in Interface
@ambikakulkarni7695
@ambikakulkarni7695 8 жыл бұрын
Your session are good, but explain the big question "WHY". Why to declare a variable as static/final or what ever. Explain what goes behind the screen. You give answers to clear interview. But that is not the actual knowledge, its call as mugged up.
@balamurugant6479
@balamurugant6479 9 жыл бұрын
super
@DURGAEDUCATION
@DURGAEDUCATION 9 жыл бұрын
+Balamurugan T Demo Sessions on youtube, Language Fundamentals(16 Videos)kzfaq.info/get/bejne/m7qIl5tq2Z7Sl30.html, Operators & Assignments(7 Videos)kzfaq.info/get/bejne/Z7B3grOZrt_McYE.html, Flow Control(6 Videos)kzfaq.info/get/bejne/jpyihpynqZ-RoYE.html.
@anandg4018
@anandg4018 6 жыл бұрын
Abstract class have concrete methods and it is not necessary to have at least one method abstract inside abstract class,, then there is a full of method implementation,, still why can't we Create object of an abstract class. And why so then use of abstract class if we can use concrete class instead. Please anyone...
@sajidhasan1161
@sajidhasan1161 3 жыл бұрын
did u hear entropies?
@h1170
@h1170 8 жыл бұрын
This is not a very good explanation from the point of view of software engineer. The explanation is not wrong but it doesn't create an image on real time practice. Also when we should use Interface, when abstract and when concrete, this is not so easy. Based on requirements and taking the concept of design patterns the decision is made Interface, Abstract , or concrete class
@In-N-Out333
@In-N-Out333 9 жыл бұрын
Why isn't anyone making fun of his accent?
@anunayanu
@anunayanu 8 жыл бұрын
+BillyBob just think thrice before commenting.
@neils15
@neils15 8 жыл бұрын
He is not taking an IELTS course
@reddaboinavivek7494
@reddaboinavivek7494 5 жыл бұрын
In-N-Out ok does this comment boost your ego? Don't feel so insecure dude.
@pavanvaidhani1603
@pavanvaidhani1603 3 жыл бұрын
You wrote interface but you are pronouncing it as intraface ...
@shyjusr
@shyjusr 9 жыл бұрын
If an abstract class had all the capabilities of an interface ( consider an abstract class which contain only unimplemented abstract methods), then why an interface is needed? Forget about where to use interface and where to use abstract class. All the explanation given here are in favor of abstract class - that is, what is possible in abstract class but not possible in interface. Is there any feature which is possible in interface but not possible in Abstract class?, if not why an interface ? - please do not provide the answer in such a way that where to use interface and where to use abstract class - which is not a solid answer.
@himajoseph2611
@himajoseph2611 9 жыл бұрын
Shyju S R multiple inheritance is possible with interface only
@saddammd
@saddammd 9 жыл бұрын
Hima Joseph Good one bro
@DURGAEDUCATION
@DURGAEDUCATION 9 жыл бұрын
+Saddam Hussain Demo Sessions on youtube, Language Fundamentals(16 Videos)kzfaq.info/get/bejne/m7qIl5tq2Z7Sl30.html, Operators & Assignments(7 Videos)kzfaq.info/get/bejne/Z7B3grOZrt_McYE.html, Flow Control(6 Videos)kzfaq.info/get/bejne/jpyihpynqZ-RoYE.html.
@gautamkartik
@gautamkartik 5 жыл бұрын
Interface is not equal to Intra + Face, M is not equal to Yum.
@maheshgunawardana2329
@maheshgunawardana2329 7 жыл бұрын
what a fucking langue is that?
@publicvoice5721
@publicvoice5721 5 жыл бұрын
In which state of India, English is pronounced like this?
@vikram0000
@vikram0000 10 жыл бұрын
he should go to English class
@DURGAEDUCATION
@DURGAEDUCATION 9 жыл бұрын
+vikram Demo Sessions on youtube, Language Fundamentals(16 Videos)kzfaq.info/get/bejne/m7qIl5tq2Z7Sl30.html, Operators & Assignments(7 Videos)kzfaq.info/get/bejne/Z7B3grOZrt_McYE.html, Flow Control(6 Videos)kzfaq.info/get/bejne/jpyihpynqZ-RoYE.html.
@meghasandesam
@meghasandesam 6 жыл бұрын
you are not concentrating on subject. you are looking for slang, voice,grammer etc...learn subject boss
@Sandeepsandy-eh3rj
@Sandeepsandy-eh3rj 6 жыл бұрын
Language is not at all a big issue..subject is main ..he is very good at subject
@zaffariqbal3671
@zaffariqbal3671 6 жыл бұрын
I think you are learning English by Durga sir....bro this is Java class not English....and one more thing talent does not depend on English .....I appreciate this teacher for his hardworking and dedication for us.....thanks a lot Durga sir
@abhinav9469
@abhinav9469 5 жыл бұрын
And you should go for elementary education ...how to respect teachers is a topic you missed
@nahidanobin
@nahidanobin 6 жыл бұрын
very tough to understand English accent
@rb2727
@rb2727 5 жыл бұрын
I really tried, but the accent makes it hard to grasp the full experience of your explanation.
@akashkorad3413
@akashkorad3413 4 жыл бұрын
Pls spell the correct spelling of interface
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