Q&A Discussions

Is it possible to use isinstance method to check, whether an object is a module? 🐍

28th Oct 2016, 11:43 AM

Victor Ogudu

chicken class isinstance module object oop python type

2 Votes

What is the Awesome way to use Arrays?

28th Aug 2019, 7:42 AM

Seb TheS

c++html java javascript oop programmer

2 Votes

How can I Call a JavaScript's method declared inside a class?

7th Nov 2017, 1:36 PM

Cooletko_14<3

bom classes constructor dom html javascript objects oop

1 Vote

5 Answers

11th Jun 2019, 1:23 PM

Kimathi Edwin

What is difference b/w a singelton class and a static class?

c#c++classes java oop

0 Votes

How to make an string attribute of the given length?

12th Jul 2018, 9:47 AM

Dhruv garg

attributes classes oop python strings

0 Votes

Base Class and Derived Class Constructor Arguments

14th Mar 2019, 6:03 PM

Vladislav Riabets

c++constructors cpp oop parameters

0 Votes

Can somebody help with strings

11th Mar 2021, 5:56 AM

Alexander Kramnik

c++code codeplayground error objects oop self-learning strings struct xcode

1 Vote

6 Answers

17th Jan 2021, 10:21 AM

zaya1235

Association vs Aggregation vs Composition

aggregation association composition java objects oop

1 Vote

3rd Mar 2019, 12:50 PM

Sevcan Doğramacı

Generic Classes

c#classes coding generic oop sololearn

2 Votes

Why different languages? ?

15th Feb 2019, 4:29 PM

Manhal EB 🔰

c c++java oop programming python sololearn

1 Vote

Some user friendly sources to learn oops in python?

18th Sep 2018, 3:53 AM

Prince Verma

decorators magic-methods oop python3

0 Votes

What does the __index variable in Lua do?

3rd Aug 2017, 6:50 PM

Gaurav Masand

__index lua metatable oop

0 Votes

Is someone who is not busy can work with me on a project?(Project for a course).

3rd Sep 2017, 5:57 PM

Elias

basics java oop project

1 Vote

Why php7 use more memory to store objects?

15th Dec 2017, 4:32 AM

While (Everything!=∞)

oop php php5 php7

0 Votes

need more challenge .....:)

27th May 2017, 12:13 PM

Sergey Nikolaev

c++challenges java oop

-1 Vote

Is Aggregation a special type of Composition or is Composition a special type of Aggregation?

4th Nov 2017, 11:26 PM

abderrahmane Mustapha

c++datamodelling java oop

1 Vote

Ruby, Problems Using a Class Derived From "Array"

13th Sep 2017, 12:44 PM

Vic

arrays classes inheritance oop

0 Votes

Can I move from this App to learn Advance Java in platform like Lynda.com

7th Aug 2018, 7:22 PM

Benjamin Lee

advance_java java lynda.com oop

0 Votes

Python OOP- Acess a function variable through a class object

23rd Dec 2017, 10:52 PM

Kris Renzo

class_objects classes oop python

0 Votes

Object Oriented Programing C++ Exam

19th Mar 2017, 2:30 PM

z77

c++exam job oop

1 Vote

Algorithms for Logic Gate stimulator

2nd Apr 2017, 12:10 AM

xxxx xxxxx

algorithms assignmenets boolean-logic c++oop

2 Votes

hi guys, I have some question and I need your advises, please don't ignore.

25th Feb 2018, 2:29 AM

Lee Yao Dong

.net backend c#oop php website

1 Vote

What is difference between Aggregation and composition in Object oriented programming?

30th Jul 2019, 10:38 PM

Myrat Ovezov

c++cplusplus object oop oriented programming

1 Vote

How to avoid inheritance in Java ?

30th Apr 2018, 7:38 AM

Waqas Ahmed

code codeplayground inheritance java oop sololearn

0 Votes

What is the difference between extending ( inheriting) a class and importing a class from package

8th Sep 2019, 6:08 AM

Kabir

cpp difference extending import inheritance java oop python

2 Votes

Anyone having study material to prepare Java developer interview. Thanks in advance.. 🙏🤗

28th Jul 2020, 5:34 AM

Ayush Pandey

eclipse inheritance java oop polymorphism sql

0 Votes

How to add attributes to subclass?

22nd Sep 2020, 8:03 PM

Prasad Dhage

attributes inheritance magic-methods oop python

0 Votes

Create object in for loop? (C#)

8th Feb 2023, 12:50 AM

Reniel Galang

c#class for loop object oop winforms

1 Vote

Constructors and "Setters" // JAVA

14th May 2018, 10:26 PM

SebGM2018

class classes code constructor getter java method methods oop programming setter

3 Votes

9 Answers

13th Jan 2017, 8:18 PM

Daniel Stanciu

English, Please? (OOP Properties)

decorators oop properties py python

0 Votes

14th May 2020, 8:16 AM

Teeny Sanguini

What does super() do?

classes oop pyqt python super

0 Votes

Why is my program not working? (composition practise)

9th Apr 2019, 4:39 PM

Talha Hameed

c++code composition error help oop

1 Vote

[✓]Explain the difference between deriving a class in public mode and private mode.

25th Feb 2018, 12:13 PM

Jan Štěch

c++classes cpp oop private-class-mode public-class-mode

1 Vote

23rd Apr 2021, 7:40 AM

SARVESH ASHOK DEVRUKHAKAR

About Programming

database mobile oop program ui ux

1 Vote

Okay, so i am studing for a java compitition, and there are a few things sololearn didnt teach me, and other things that I dont

17th Jan 2019, 10:54 AM

Richard Sugianto

advanced algorithms datastructures java oop uil

1 Vote

Variables only work within a method?

15th Jan 2018, 10:32 PM

Clint

class global java local method oop variables

0 Votes

Why 14 is not printing? ..How to call base class parameterized constructor in derived class copy constructor in C++?

28th May 2022, 7:45 PM

Dodo

coding constructor cpp cstring destructor exception oop python vectors what()

1 Vote

6 Answers

11th Aug 2022, 12:58 PM

Muhammad Talha Atif

What is abstraction?

abstraction c c++class cpp java javascript object oop python

1 Vote

4 Answers

9th Jun 2019, 10:22 AM

AJIT SRÌVÁSTÄVÅ

Who's can help me ?!

code java oop progress question

2 Votes

What kind of concepts are essential for an amateur-intermediate programmer to grasp and learn?

14th Feb 2018, 11:14 PM

While (Everything!=∞)

algorithms amateur c++concepts java oop

1 Vote

Java o C++ which is the best to create a desktop software with GUI?

16th Mar 2017, 3:12 AM

Alejandro Aristizabal

c c++desktop java oop python

1 Vote

Can an abstract class have a constructor?

22nd May 2017, 12:42 PM

Simone Gramegna

abstract-classes c++classes java javascript oop

2 Votes

Suggestions please! Write a program to print a figure in the shape of a heart by the sign "o"?

7th Nov 2016, 7:23 PM

Redet Getachew

c#c++cpp forloops java loops oop python

1 Vote

What happened when we declared class obj??

17th Jul 2017, 4:34 PM

Tuchy

class instance java object oop reference

2 Votes

Constructor base and derived classes.

2nd Dec 2017, 1:07 PM

Md Shahabuddin Hossain

and base classes constructor derived oop

0 Votes

How to make libraries for different programming languages ?

12th May 2023, 3:54 AM

Oliver Pasaribu

Method Bucle (C#)

bucle c#for method oop var while

0 Votes

4 Answers

17th May 2018, 4:03 AM

SebGM2018

c++cpp java oop programming python sololearn

1 Vote

What is difference between REDEFINING and OVERRIDING in C++?

11th Sep 2018, 1:37 PM

Prince Verma

c++classes cplusplus oop overriding redefining

0 Votes

aggregation association c++composition cpp inheretence oop pointers

13th Apr 2018, 2:54 AM

Waqas Ahmed

Aggregation in C++

1 Vote