Q&amp;A Discussions

Even though I know the cause of error,but I don't know,why the __cout << "hii"__ line don't work?

18th Apr 2024, 4:00 PM

Ketan Lalcheta

c++constructor

0 Votes

What if RAII constructor fails due to exception

15th Feb 2024, 12:25 PM

Yogeshwaran P

c++exception raii

0 Votes

c++function_pointer multithread threads

7th Dec 2023, 4:08 AM

Ketan Lalcheta

Thread class constructor

2 Votes

Is constructor allowed to be constexpr

10th Nov 2023, 6:18 PM

Ketan Lalcheta

c++constexpr constructor

0 Votes

SqlDataAdapter Constructor

21st Sep 2023, 6:00 PM

Ketan Lalcheta

c#sql

1 Vote

Constructor base and derived classes.

8th Jul 2023, 9:21 PM

H2727

and base classes constructor derived oop

0 Votes

Where is the issue in the constructor

12th May 2023, 3:54 AM

Oliver Pasaribu

javascript

0 Votes

8 Answers

29th Mar 2023, 7:24 PM

Ali Alrahem

It is successfully Compiled but The Result is null. Why

conditional constructor if input java

1 Vote

Why copy constructor in c++?

9th Mar 2023, 8:05 AM

We Doru

1 Vote

Program to calculate area and circumference of circle using constructor in java??

10th Feb 2023, 6:20 PM

SHAIK GOUSEBASHA

area calculate circle circumference constructor java program using

4 Votes

classes constructors python

18th Jan 2023, 4:15 AM

Ms. Nothing

Python class constructor

3 Votes

How function constructor works in the below scenario ?

12th Jan 2023, 8:35 AM

AruN

javascript

1 Vote

Why, when I input 42 to the circle constructor the area gives me 5541.769440932395 while the correct answer is 5541.769440932396

6th Jan 2023, 6:44 AM

Levi

abstractclass inheritance java oop

1 Vote

Check whether class has noexcept move constructor or not

27th Dec 2022, 10:34 PM

Genniell Vergaray

c++move move_semantic static_assert

0 Votes

How to create an InvalidLineNumberException class in java with a constructor and methods

10th Dec 2022, 6:17 AM

Ketan Lalcheta

1 Vote

Explicit Constructor | Why needed

7th Dec 2022, 1:01 PM

Loo Student

c++explicit

0 Votes

Contact Manager unsolved help me to solve it!!

29th Nov 2022, 2:44 PM

Ketan Lalcheta

coding constructor function-arguments functions javascript objects

0 Votes

Wap in c++ to initialize two data members of type int using a constructor

25th Nov 2022, 9:25 AM

Sony

@c++@sololearn

0 Votes

In my opinion, first statemen in a constructor it must be call to parent class constructor using super reserve-word (or keyword

14th Nov 2022, 1:41 AM

Niru Subba

oop

0 Votes

Make a class in the name of circle with data member; radius, perimeter, and area. Use overloaded constructor one with no argumen

20th Oct 2022, 10:04 PM

Oliver Pasaribu

-1 Vote

9th Oct 2022, 5:13 PM

Ayesha Khan

Exception in constructor

c++exceptions try_catch

2 Votes

Importance of constructor in c++

2nd Oct 2022, 8:43 PM

Ketan Lalcheta

(),/,!

0 Votes

if a sub class besides those inherited attributes has it's own attribute how should the constructor look like?

25th Sep 2022, 6:04 AM

Rajnish

0 Votes

Why base copy constructor is called

21st Sep 2022, 10:37 PM

Lenoname

c++constructor inheritance move

1 Vote

What’s the error in this code

18th Sep 2022, 4:51 AM

Ketan Lalcheta

classes constructor objects php

1 Vote

How to write a specification in the constructor Java?

7th Sep 2022, 5:03 AM

Umar Farooq

constructors enum java

1 Vote

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

12th Aug 2022, 6:04 PM

nadinchiksv

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

1 Vote

6 Answers

11th Aug 2022, 12:58 PM

proGAMBLER

Why double Constructor is used in Kotlin

kotlin

2 Votes

Can anyone tell me how to create an object of a private constructor in c++

30th Jul 2022, 2:33 AM

Md Tausif Iqbal

0 Votes

Why to have private copy constructor in singleton

16th Jul 2022, 11:20 PM

Abdul Rahim

c++constructors copy singleton

0 Votes

Why 6 calls to destructor for 5 objects?

6th Jul 2022, 3:58 PM

Ketan Lalcheta

c++constructor copy-constructor destructor vector

1 Vote

Please explain constructor part.

30th Jun 2022, 9:31 PM

Edward Finkelstein

0 Votes

Why constructor is not called

18th Jun 2022, 2:27 PM

Purushottam Dey

c++constructors initializer_list

1 Vote

I want to see 34 in derived 2 class function too. I wanna see how can I get same answer by making changes through derived 1.

12th Jun 2022, 1:10 PM

Ketan Lalcheta

c++constructor humble inheritance methods oop problem programming

0 Votes

7 Answers

8th Jun 2022, 1:34 PM

proGAMBLER

Default constructor vs default argument

c++constructor default

1 Vote

Is this possible to do with an object constructor

8th Jun 2022, 5:27 AM

Edward Finkelstein

canvas classes constructors javascript objects

0 Votes

Can I call derived class constructor before base class constructor in c++?

2nd Jun 2022, 9:29 PM

pHANTOM|sTEELE

c++constructors destructors inheritance oop programming protected

0 Votes

12 Answers

30th May 2022, 12:20 PM

proGAMBLER

Why not able to use initializer list

c++constructor initializer_list

0 Votes

Why does the part between line 2 to 4 executes first when we know that Constructor gets invoked first always ?

27th May 2022, 11:47 AM

Ketan Lalcheta

0 Votes

Constructor delegation from body of constructor

27th May 2022, 5:21 AM

animus

c++constructor delegate

0 Votes

What is issue in this copy constructor

3rd May 2022, 11:22 AM

Ketan Lalcheta

c++copyconstructor deep_copy

0 Votes

If a class that inherits from another class automatically also inherits its constructor then why bother using super().__init__?

30th Apr 2022, 7:47 AM

Ketan Lalcheta

python python3

0 Votes

Java: How can the object of parent class call the parameterized constructor of child class while it's not the other way around?

28th Apr 2022, 8:07 AM

Lenoname

classes constructors java objects

0 Votes

JavaScript - Are METHODS always within constructors?

26th Apr 2022, 9:36 PM

Farzam Baig

constructor javascript method

0 Votes

how to overload a constructor

26th Apr 2022, 4:57 AM

Solus

0 Votes

What's the difference between a constructor and a function?

23rd Apr 2022, 5:10 AM

DMV

0 Votes

What's wrong in array of parametric constructor

12th Apr 2022, 4:51 PM

Biagio

c++constructor parametric pointer

2 Votes

6th Apr 2022, 12:21 PM

Ketan Lalcheta

Updating a constructor

0 Votes