Q&amp;A Discussions

metaclass python singleton

6th Apr 2018, 9:38 AM

Janie Egger

Metaclass v/s Subclass

1 Votes

Subclass of std::vector<T>

9th Sep 2021, 8:54 AM

Ash[Fire]

c++class vector

0 Votes

Constructor necessity on Subclass

29th Mar 2021, 5:40 PM

Sebastian Ahlborn

1 Votes

[Java] super class and subclass question

4th Mar 2021, 6:46 AM

M.O.HONOR

reference-variables subclass superclass

2 Votes

Can an object subclass other object?

20th Oct 2020, 3:32 AM

Aditya Kumar

class interview java object subclass

3 Votes

Subclass interact with other subclass?

26th Feb 2019, 7:48 AM

Sin Cos Ø

c++interact subclass superclass

0 Votes

create an object of superclass in subclass

16th Dec 2017, 12:42 AM

Coinage

Classes, Subclass and None Error message.

1 Votes

6 Answers

11th Nov 2020, 2:44 PM

saeedeh

inheritance python

0 Votes

What is the difference between subclass and object? Is subclass also an object of the class?

1st May 2019, 11:55 AM

Josie The Ritalin Dog

class java object packages subclass

0 Votes

interface( can a subclass hav 2 superclaas..)

6th Dec 2017, 6:12 AM

Nikhila Tammu

a can sub

1 Votes

xor for__init__ function between superclass and subclass

11th Dec 2016, 12:25 PM

B FOR BEAST

inheritance python subclass superclass

0 Votes

Is writing subclass inside the parent class same as writing subclass and referencing it to parent class using extends ?

2nd Dec 2017, 1:50 PM

Aref moloughi

class java oop

1 Votes

Can a superclass inherit subclass methods and instance variables?

15th Aug 2020, 8:00 AM

GGWellPlayed

inheritance java methods

4 Votes

why can't we call interface static method via subclass object??

12th Aug 2017, 1:00 PM

PandaPanda🐼

error interface java object static subclass

1 Votes

6 Answers

2nd Aug 2019, 7:53 PM

salar vahidi

Write a template class used in 2 subclass

c++

-2 Votes

Is out a subclass of the system class in java.

24th Jun 2022, 9:12 PM

Sagar

0 Votes

Parent constructors are not called implicitly if the subclass defines a constructor.

4th Feb 2021, 10:34 PM

PRINCE TAWIAH

classes objects

0 Votes

7 Answers

15th Dec 2019, 8:26 AM

Riya

Can i inherit multiple Superclasses in one subClass in java ??

c#java

2 Votes

What is the meaning of adding characteristics and behaviour in a subclass of superclass

21st Jan 2021, 11:38 PM

‎Abdul Jalil

behaviour characteristics inheritance java

2 Votes

a superclass reference variable can refer to a subclass object , but what is it's practical use?

13th Mar 2019, 1:15 PM

Rajb957

inheritance java polymorphism

6 Votes

why the subclass CTO shows an error when CTO class inherits the Parent class?

7th Dec 2019, 5:17 PM

🇮🇳Omkar🕉

inheritance interface java

0 Votes

I call function superclass in subclass with keyword super. I have error. Thanks you.

2nd May 2020, 8:25 AM

Puram Gangadhar

call function in subclass.superclass

0 Votes

Help! A Mystery of Inheritance, Classes, Subclass - getting a None Error message.

2nd Feb 2021, 4:56 AM

Malick Diagne

inheritance python

0 Votes

all fields and methods of the superclass are inherited by the subclass

1st May 2019, 11:56 AM

Josie The Ritalin Dog

inheritance java

0 Votes

Did I have to redeclare buttons and edittext in subclass in Android Java?

2nd Sep 2016, 6:26 PM

Gabriel Comaniciu

android inheritance java

0 Votes

what the subclass and the superclass and what is different between them ??

30th Jan 2019, 2:49 AM

Sheikh Zakir Ahmad

access-modifiers class java subclass super superclass

-1 Votes

Why does this code only work if i invoke extends and create the subclass in main?

5th Jul 2017, 2:48 PM

mohamed ashraf

extends java polymorphism

1 Votes

How can the subclass override a concrete method of the superclass and declare it as abstract?

16th Jun 2017, 4:02 PM

Timothy Ryan

abstract class java subclass superclass

1 Votes

Can someone please explain this to me? "the constructor of the superclass is called when the subclass is instantiated.".

7th Mar 2020, 11:13 AM

D ̲E ̲S ̲S ̲I ̲E ̲- ̲B ̲A ̲H ̲I ̲R ̲U ̲

constructors inheritance java

1 Votes

8 Answers

13th Feb 2017, 2:35 PM

Ziad Hassan Ahmed

In Java, when a subclass object is created, is a superclass object created or not?

0 Votes

Why do we need to insert same parameters of superclass constructor() in the super() method within subclass constructor()

18th Dec 2016, 5:47 AM

Somnath Ghosh

classes javascript

0 Votes

Somebody please help me with this code

14th Aug 2022, 12:26 PM

Ahamed Shifak

class python3 subclass

3 Votes

Why can a subclass inherit the fields, methods, properties and indexers from the superclass, but not the constructors?

12th Dec 2020, 7:21 AM

PUSHPAK DANDE

1 Votes

What if I dont want the constructor of the superclass to be executed when creating an object of the subclass?

18th Nov 2017, 6:55 PM

‏‪‏‪Salah Mahmoud‬‏‬‏

inheritance subclass superclass

3 Votes

How does the subclass Dog inherit the variable legs with the value of 4 from the superclass Animal

13th Mar 2018, 11:18 AM

Adam Aksu

0 Votes

In Java a reference variable of superclass is assigned to sub class . ls superclass knows the variables and methods of subclass

10th May 2019, 2:54 AM

Shak 240

2 Votes

How do I pass arguments to the superclass constructor while creating an object of the subclass in this case?

11th Apr 2019, 2:06 PM

Pravallika

1 Votes

How can I make it so my code asks what kind of subclass its the one i want an object to be? C#

15th May 2019, 1:56 AM

Debraj Singh

c#classes inheritance inner-classes user Userinput

1 Votes

6 Answers

26th Jan 2018, 3:12 AM

Agustin Romano

How does the subclass Dog inherit the variable legs with the value of 4 from the superclass Animal - Java

0 Votes

Which of the following specifiers mak the element accessible from within subclass . I have give option in description

10th May 2019, 2:54 AM

Shak 240

-2 Votes

Any help will be greatly appreciated

4th Mar 2022, 10:24 AM

Arun Vishwakarma

constructors inheritance java subclass

0 Votes

Can you override static method in Java? if I create the same method in the subclass is it compile time error?

4th Dec 2019, 11:58 AM

Allan And Lifted Hands

answer challenge off-topic self-learning

-1 Votes

0 Answers

5th Feb 2019, 9:11 AM

ISMAYIL P

Referring to objects using equals?

equals java subclass

0 Votes

What can be its some practical use cases in Java ?

22nd Mar 2017, 5:55 AM

Zeffeler

java subclass superclass type-casting

1 Votes

Difference between abstract classes and interfaces

3rd Dec 2021, 12:03 PM

Ash[Fire]

abstract-classes classes interfaces java subclass

2 Votes

(JAVA)What happens with variables of the superclass when we use pholymorphism?

8th Apr 2018, 1:56 AM

Yusuf

java pholymorphism subclass superclass variables

1 Votes

When we declare a class as final does it mean that we cannot create its subclasses or it cannot be the subclass of another class?

25th Apr 2019, 8:50 PM

Rosana Rodríguez Milanés

final java

0 Votes

Is there an abstract data type like abstract method in java?

2nd Jan 2016, 12:13 PM

Shubham Jain

abstract class java subclass superclass

1 Votes

7th Mar 2020, 11:21 AM

D ̲E ̲S ̲S ̲I ̲E ̲- ̲B ̲A ̲H ̲I ̲R ̲U ̲

Final class

classes final java subclass superclass

1 Votes