Q&A Discussions

What are few real time examples for interface, abstract-classes and inheritance.

1st Apr 2017, 4:29 AM

Vignesh

abstract-classes examples for inheritance interfaces java

1 Vote

26th Mar 2017, 6:01 AM

.com

Bank Management System

-3 Votes

Fill in the blanks to create an abstract class with an abstract method and inherit from it. abstract class Animal { public int

12th Apr 2022, 8:43 AM

Abdullah Abdullah

В формулировке есть неточность

-11 Votes

11 Answers

18th Nov 2018, 12:30 PM

Louie Jay Gitgitin Salvaña

10 Votes

Can we make a class having implemented methods as an abstract class!?

13th Feb 2018, 11:42 AM

Andrew Karelin

2 Votes

29th Apr 2019, 7:39 PM

Eshu Kamisetty

Error...

1 Vote

What I have to do after Java

17th Apr 2024, 12:34 PM

Syeda Hina Shah

0 Votes

1st Jun 2017, 11:49 PM

Hmmam Babe khuoja

Tell me is it good??

-2 Votes

20th Nov 2020, 7:32 PM

Ali

Coding problems

1 Vote

How important classes are?

16th Apr 2024, 3:33 AM

Syeda Hina Shah

2 Votes

20th Oct 2020, 11:28 AM

Sarah-chan🖤

Abstract class

2 Votes

Can you please share the solution for the abstract classes practice in java?

21st Oct 2020, 7:34 PM

Mennatullah Mohamed Abdelmaqsoud

What is the use of abstract classes in java ?

2 Votes

22 Answers

24th Mar 2023, 6:14 PM

Saidazim

3 Votes

"To use an abstract class, you have to inherit it from another class"then in this sentences abstract class is superclass or not?

11th Aug 2017, 1:16 AM

Shanoor Afreen

1 Vote

20th Dec 2017, 3:37 AM

Jayshri Patil

Hablemos en español

0 Votes

What is an abstract class ?

4th Nov 2021, 2:35 AM

FER

2 Votes

13th Aug 2020, 4:56 PM

Prabhat

Please explain more

1 Vote

Why we can't create object of abstract class un java?

28th Feb 2019, 5:30 PM

Adil Hussain

1 Vote

16th Sep 2018, 1:01 PM

ABHISHEK TYAGI

WHICH ONE ?

0 Votes

Can someone help me please to implement this code i am stuck at least just the algorithm

26th May 2019, 8:00 PM

Jnana

abstract-classes classes inheritance java objects oop programming

1 Vote

15th Apr 2021, 4:04 PM

Mark G. Ghrayeb

What to do

0 Votes

I made a function in dervied ninjA class void h() ..why i can access it my (*e1).h();...*e1 is point er of base class

13th Nov 2018, 5:17 AM

Kensi

1 Vote

What if java did not have abstract classes ?

11th Oct 2020, 8:24 PM

Harsh Rajput

0 Votes

"To use an abstract class, you have to inherit it from another class" I donot understand the meaning of this sentence

13th Aug 2020, 5:11 PM

Prabhat

2 Votes

cannot create an instance of an abstract class ScrollBar

25th Jun 2018, 10:35 AM

Tom

0 Votes

What is abstract class and how it is used?

2nd Jun 2017, 6:25 AM

DoubleVermine

2 Votes

What is the benefit of abstract class?

21st Apr 2021, 2:29 AM

Ur-Wellwisher

1 Vote

Is jframe an abstract class?

14th Nov 2018, 2:55 PM

Nazmul Islam Naim

0 Votes

What is the purpose of abstract class. Explanation needed with real world example. The scenario where it is used.

23rd Jul 2017, 3:57 PM

Prachi Batra

0 Votes

can pointers of a mother class type point to its daughter class ?if yes,why?

1st Jun 2018, 2:52 AM

RamaLakshmi Moorthi

0 Votes

How to make an abstract class?

6th May 2018, 3:20 PM

杨涛

2 Votes

18th Nov 2016, 4:27 PM

Waseem Siddiqi

What is the meaning of!?

0 Votes

Why should we use the abstract method?

29th Mar 2020, 5:40 PM

Mohamad Nour Alaref

0 Votes

What is the difference between polymorphism and abstract class ??

9th Jul 2020, 5:04 PM

BELHANI Mohamed-Afif

abstract-classes polymorphism

3 Votes

6 Answers

26th Mar 2018, 2:34 PM

Rajan Singla

Why do we use abstract method when we can directly declare normally.i cant see the difference

0 Votes

What is an abstract class?

12th Feb 2019, 11:30 PM

chanukya mahidhar

0 Votes

What is a string in double quote “ “?

10th Mar 2019, 6:29 PM

Kabir singh

-3 Votes

3rd Sep 2020, 11:06 PM

Jeff Semexant

Where I make mistake?

4 Votes

1st Apr 2023, 11:00 AM

Sakshi [Offline 🙃]

How to write coding..?

2 Votes

What is Abstract classes and why we need to use it.

25th Aug 2017, 6:01 PM

ABHISHEK KUMAR

0 Votes

Can we create a reference of abstract class?

22nd Jul 2021, 10:58 AM

Asif Ahmed Khan

2 Votes

abstract-classes interfaces java

17th Jan 2018, 6:12 AM

Nikesh Prasad

Animal lovers, java

0 Votes

What is actually abstract class used for?

20th Mar 2021, 1:18 PM

Zotta

Abstract functions could have body!

1 Vote

9 Answers

19th Jul 2017, 3:54 PM

Niko Prianto

0 Votes

What's the practical use of abstraction pls explain me, thanks in advance

31st Dec 2017, 8:34 PM

Дмитрий Чепель

I do not clearly undurstand abstract classes in Java programming Language. I just want to see one concrete example to understant

4 Votes

6 Answers

22nd Feb 2016, 11:58 AM

Piyush Joshi

2 Votes

What's the difference between interface and abstract class?

10th Jul 2017, 11:20 PM

Stephcyrille

abstract-classes interfaces

0 Votes

Can anyone explain what data abstraction is all about?

6th Aug 2018, 5:04 PM

Girish L V

abstract-classes abstraction

0 Votes

Where is the difference between abstract Class and interface?

8th May 2022, 8:22 PM

Emmanuel Ojo

abstract-classes interfaces

2 Votes