Q&A Discussions

abstract-classes interfaces java

18th Dec 2017, 3:55 PM

Rao Kamran

Abstract class

0 Votes

Can anyone suggest me some detailed & gud programs n java wid core oop concepts?

7th Aug 2017, 3:19 AM

Khang Nguyễn

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7 Votes

6 Answers

12th Jul 2017, 8:18 AM

Rose

How to create objects for abstract class in java?

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1 Vote

Can anyone explain how set() and get() methods are related to abstraction?

19th May 2018, 2:24 PM

Ankit Pal

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3 Votes

4 Answers

8th Nov 2016, 2:49 PM

Jenny Lance

What is an abstract class?

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3 Votes

Is abstraction superfluo or necessary?

26th Nov 2016, 2:12 AM

Shweta Pandey

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1 Vote

Why are constructors allowed in an abstract classes if it cannot be instantiated?

31st Mar 2021, 6:20 AM

Maksim

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1 Vote

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14th Jul 2019, 12:25 PM

Rohan Rao

Abstract / Interface

1 Vote

What is a pure virtual function?

20th Nov 2017, 2:24 PM

Sonny Michael

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2 Votes

When do you use interfaces and abstract classes?

26th Nov 2016, 2:15 AM

Shweta Pandey

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1 Vote

C# Abstract class with virtual and abstract properties

17th Mar 2018, 8:20 PM

X x

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2 Votes

I need a non paid instructor. Also friends.

18th Mar 2018, 5:39 AM

SQrL

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0 Votes

Could someone explain difference between interface and abstract class?

23rd Jul 2022, 1:30 AM

SAbbir Hossain

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2 Votes

Is this a valid abstraction example ?

6th Feb 2017, 10:54 PM

J.A.

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2 Votes

help me in this code kOTLIN !!!!

3rd Mar 2019, 12:39 PM

Sevcan Doğramacı

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1 Vote

Which methods ConcreteClass needs too implements???

24th Feb 2022, 9:31 PM

SANA SIPOU

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2 Votes

Class children have different features(its own unique functions), how to use it from Parent class?

5th Feb 2020, 5:21 PM

Erion Zabelaj

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0 Votes

(Solved)Why can't I implement abstract classes?

6th Nov 2022, 1:42 PM

siviaseason

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2 Votes

What is the benefit of using interfaces?

21st Jul 2021, 9:31 AM

Purple Requiem

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1 Vote

Can anyone explain me linked list implementation in c++

12th Apr 2019, 6:10 PM

Jeremy Simmons

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0 Votes

Why we are give a parrent class refference at the time of object creation of child class?

21st Aug 2019, 3:28 PM

Pola Someshwar

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0 Votes

For each of the numbered lines of code below, state whether it will compile. If it does, state and explain the output it gives w

5th Sep 2017, 6:27 PM

Shivam Jamaiwar

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0 Votes

Can somebody explain me inheritance classes?? If possible with a code example.

1st Dec 2016, 10:18 AM

Goldwyn Zimba II

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0 Votes

How to execute an abstract method in an abstract class?

12th Feb 2017, 10:02 AM

Sunzuiana Marius Ovidiu

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0 Votes

java terminology help: I was doing a java code in eclipse and it says to add keyword 'abstract' to base class

19th Sep 2017, 2:16 AM

Empiyar

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0 Votes

What is abstraction in C++ and how we use it?

9th Dec 2018, 6:42 PM

mya

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1 Vote

Can someone please factorize these 2 classes with an abstract class ? And changing them accordingly?

25th Dec 2016, 10:36 PM

Shobhit Singh

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0 Votes

Where to go after learning OOP?!

16th Dec 2019, 8:17 PM

AdL

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8 Votes

Whats is the benefit if we use enemy pointer to the type of it's inherited class ?

31st Jan 2017, 9:38 AM

Jihad Naji

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1 Vote

Can please somebody Explain Object Oriented Programming to me

19th Dec 2018, 6:25 AM

Atik🇧🇩

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0 Votes

Is abstract classes are necessary when there is an option called interface is available in java?

31st May 2021, 8:10 AM

Kevin

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0 Votes

26th Jul 2018, 3:59 AM

viki

what is the Html...?

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1 Vote

Can an abstract class have a constructor?

8th Nov 2016, 4:25 AM

Dasun Madhuranga

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2 Votes

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7th Nov 2016, 7:23 PM

Redet Getachew

C#Love chat-4

2 Votes

Understanding the Difference between Abstract and Interface

10th Sep 2017, 8:45 PM

Топчий Анастасия Александровна

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1 Vote

4 Answers

12th Dec 2017, 11:52 AM

Jonathan Álex

Abstract and Interface: -

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1 Vote

Can I get a program to implement Queue data structure

9th Jun 2019, 12:55 PM

Paras Jain

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0 Votes

What is the Difference between Scanner class and BufferReader class ?

6th Nov 2019, 8:14 PM

Sahil P Gaonkar

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2 Votes

Can we decleare a static method or a static class as abstract?

18th Jan 2017, 10:01 AM

amit umbarkar

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0 Votes

OOP in Python. ¿is this a nice aproach?

12th Feb 2018, 9:10 AM

RAJESH SINHA

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-1 Vote

what is the need of abstract classes/interfaces if they contain no information or any description of any methods?

1st Sep 2021, 12:10 AM

David Ordás

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0 Votes

Can anyone suggest me which will be the best and easy language for developing an app....?

15th Jan 2018, 3:17 PM

Atanu Sarkar

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1 Vote

Java - Plugin/Extension for application

1st Oct 2017, 2:15 PM

ambrish nellagi

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1 Vote

Can we create a Dynamic Object in C++ if there weren't any default or overload constructors in the class

5th Jun 2020, 8:17 AM

AA Shakil

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1 Vote

What is use of abstract methods on Java?

23rd Sep 2020, 8:22 PM

Sachintha Wickramasinghe

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1 Vote

Programadores C# Nicaragua - P.O.O

17th Jan 2018, 6:29 PM

Yogesh Sharma

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0 Votes

Why this code works perfectly on codeblocks but doesn't work here?

9th Oct 2017, 7:19 AM

Cesar A. Tapia

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1 Vote