Q&A Discussions

What is abstract data type in java ?

13th Apr 2016, 5:42 PM

Venkata Bodapati

0 Votes

What is the use of defining method as abstract in java?

31st Jul 2018, 1:25 PM

ARUNKUMAR YADAV

what is the difference between abstract class and interface class?

2 Votes

6 Answers

4th Aug 2019, 3:20 PM

Geek

what is the different between abstract and interface

0 Votes

6 Answers

30th Nov 2022, 3:33 PM

mon

interfaces java

0 Votes

Please help me!!! I'm stuck in the abstract classes

17th Sep 2016, 6:19 AM

Aliyu Mohammed Yelwa

abstract-classes java oop

1 Vote

What is difference between abstract and instance in Java

29th Aug 2021, 7:40 AM

Remus Tanasa

1 Vote

In java abstract class can be final ?

22nd Dec 2019, 9:34 AM

Aniruddha

0 Votes

What is the output of the following code? abstract class Calc { abstract public function calculate($param); protected func

26th Sep 2019, 11:31 AM

Ramiz Raza

inheritance php

0 Votes

What's the difference between abstraction and abstract class?

19th Apr 2020, 6:51 PM

sangeetha m

c#c++oop

0 Votes

What is the difference between interface and abstract

17th Aug 2018, 6:01 PM

Maha

c#c++java

2 Votes

When and why do we use abstract classes or interfaces?

12th Dec 2017, 11:06 AM

Alagiri Buddhar

abstract-classes interfaces java

3 Votes

Why does an abstract class can have a constructor

1st May 2019, 1:40 PM

VV.

1 Vote

Can someone explain abstract classes in easy way?!

14th Aug 2019, 4:43 AM

Shivam chanchal

2 Votes

Why can't we make objects of abstract Class?

16th Oct 2017, 1:01 AM

Murat Ahmedovich

abstract-classes java objects

2 Votes

What's the difference between interface and abstract class?

15th Aug 2017, 11:25 AM

Krunal Gediya

c#interfaces

0 Votes

Difference Between class interface and abstract class ?with example...pls

20th Sep 2016, 12:22 AM

문형우

What is the problem?

abstract java

3 Votes

8 Answers

24th Jun 2023, 7:16 AM

P33pe

1 Vote

What if java did not have abstract classes ?

3rd Jul 2019, 2:14 PM

Nag Raj

0 Votes

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

13th Aug 2020, 5:11 PM

Prabhat

Are C++'s pure virtual functions basically Java's abstract methods?

1 Vote

5 Answers

20th Dec 2017, 3:37 AM

Jayshri Patil

abstract-classes c++java

2 Votes

Can method be private and abstract at the same time?

11th Aug 2023, 6:07 PM

Hrvoje Kožul

c++java

2 Votes

What are the uses of abstract class?

2nd Sep 2018, 1:35 PM

saurabh sable

abstract-classes c++

0 Votes

cannot create an instance of an abstract class ScrollBar

31st Jul 2016, 5:40 PM

Ganesh SM

Concept Of Abstract Classes and Anonymous Classes in Java.

0 Votes

5 Answers

2nd Jun 2017, 6:25 AM

DoubleVermine

1 Vote

Can we have arrays of an abstract class??

12th Jan 2019, 4:21 PM

Tanmay Garg

abstract-classes arrays

0 Votes

What is use of abstract methods on Java?

21st Aug 2017, 6:22 AM

Vikram Sah

abstract abstract-classes abstract-method answer If java know urgent you

1 Vote

What is abstract class and how it is used?

17th Jan 2018, 6:29 PM

Yogesh Sharma

2 Votes

why do we need to use interfaces rather than abstract classes?

21st Apr 2021, 2:29 AM

Ur-Wellwisher

oop

3 Votes

When do you use interfaces and abstract classes?

4th Jul 2019, 11:37 PM

Neobby

abstract-classes c#interfaces oop

1 Vote

Why is an abstract class implementing a function

17th Mar 2018, 8:20 PM

X x

abstract-classes interfaces java

1 Vote

What is the use of abstract classes in java ?

5th May 2017, 10:02 PM

tylerasa

3 Votes

What is the use of abstract class in java?

11th Aug 2017, 1:16 AM

Shanoor Afreen

abstract class function help java method output python use

1 Vote

What do you mean by abstract and data abstraction in c++

20th Jul 2018, 11:56 AM

Maninder $ingh

abstract abstract-classes polymorphism

2 Votes

Can we create a reference of abstract class?

6th Dec 2018, 12:50 PM

Satyendra Patel

2 Votes

Why constructors cannot be abstract or static or final?

17th Jan 2018, 6:12 AM

Nikesh Prasad

1 Vote

Is anyone know how to solve abstract class practical

3rd Jan 2019, 8:29 AM

Nitin Gutte

abstract-classes java

1 Vote

Can abstract classes in java can also be interfaces?

30th May 2022, 4:39 PM

Vishvajith Induvara

classes interfaces java

4 Votes

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

25th Aug 2017, 11:14 AM

Hrishikesh Rajiv Nanadikar

1 Vote

cannot declare parameter "attacker" to be of abstract type "Mob" I need help

16th Sep 2018, 1:01 PM

ABHISHEK TYAGI

c++class methods oop

3 Votes

6 Answers

24th Apr 2019, 2:07 AM

ScriptingEngine

what is the use of constructer in abstract class

else-statements if-statements java

1 Vote

How to create objects for abstract class in java?

2nd Aug 2016, 11:29 AM

K Sravan Kumar

abstract-classes create java objects

1 Vote

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

19th May 2018, 2:24 PM

Ankit Pal

What is the difference between abstract class and interface

2 Votes

5 Answers

29th Apr 2019, 7:39 PM

Eshu Kamisetty

.net c#java

2 Votes

What is the use of abstract class methods

12th Oct 2017, 7:00 PM

santosh kumar

notepad++

0 Votes

What is the difference between abstract class and interface?

24th Aug 2017, 7:57 AM

Swetha

abstract-classes interfaces

2 Votes

Is it right? An interface may contain abstract method.

9th Dec 2017, 1:41 PM

pavithra paramesh

interfaces

0 Votes

What is the exact difference between abstract class and interface?

6th Nov 2022, 9:28 AM

Oliver Pasaribu

java program

2 Votes

Abstract Factory pattern | What is benefits with so many interfaces

30th Apr 2017, 12:54 PM

yashasvi joshi

abstract_factory c++design_pattern factory

3 Votes