Q&A Discussões

1 Voto

can anyone teach me about constructor in java... pls help me its urgent... thanks in advance...

3rd Feb 2017, 6:17 AM

Daniel

-1 Voto

what can i do for call a private constructor from another file to open a window?

8th Sep 2017, 4:23 PM

Sauvik Saha

constructors java package pc private

0 Voto

Can anyone plz elaborate the calling of constructor and destructor by giving some program as example?

25th Feb 2017, 3:01 PM

Ismael Perbech

c++constructors

0 Voto

Does anyone have a MyString constructor I could look as a reference? Be a great help☺

23rd Jul 2016, 7:21 PM

Kaivalya Dalvi

0 Voto

IN CPP Using class initializer list?

25th Mar 2017, 5:58 PM

bobo

constructor initializer_list oops

1 Voto

BASE CLASS CONSTRUCTORS AND DESTRUCTORS ARE NOT INHERITED TO DERVIED CLASS ..THEN HOW THIS ...

2nd Mar 2018, 4:56 PM

Melodemon Alpheus

constructor destructors inheritance

1 Voto

My base class has constructor and derive class has default constructor, but it can't compile. Can anyone give me a proper explan

6th Nov 2017, 4:47 PM

I'm_Groot

base c++class derive inheritance

1 Voto

In OO languages, what is the advantage of using factory methods and private constructors to create objects?

18th Oct 2019, 1:28 PM

#ArizmaAltair PATHAN

advantage constructor factory method oo private

6 Votos

8 Respostas

15th Dec 2019, 11:13 PM

Sonic

Why not able to use initializer list

c++constructor initializer_list

0 Voto

27th May 2022, 11:47 AM

Ketan Lalcheta

How to make a site?

constructor css html js

0 Voto

It is successfully Compiled but The Result is null. Why

13th Nov 2021, 9:12 AM

Матвей Барканов

conditional constructor if input java

1 Voto

In a class,if we have a constructor and methods with same name and without argument is this is possible to have like this?

9th Mar 2023, 8:05 AM

We Doru

i needit

0 Voto

7 Respostas

29th Jul 2017, 4:25 PM

vani s

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

abstractclass inheritance java oop

1 Voto

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

27th Dec 2022, 10:34 PM

Genniell Vergaray

classes constructors java objects

0 Voto

Why we need to call super() method in default constructor?? why we need to parent class constructor ?? why it is compulsory?

26th Apr 2022, 9:36 PM

Farzam Baig

constructors java oop

1 Voto

How do you know when you have too many methods on the prototype/constructor and how can you plan to use a fair amount of each?

9th Oct 2017, 9:20 AM

Ankit Singh Rawat

classes constructor javascript memory objects prototype

4 Votos

C++ How to avoid Object Slicing with derived classes being stored in base vector

6th Jan 2019, 10:47 PM

Thomas Czernek

c++constructor object slicing

0 Voto

What's the advantage of member initializers?

10th Apr 2020, 4:22 PM

Tyler

c++constructor initializer member

2 Votos

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

5th Apr 2019, 7:54 PM

HonFu

python python3

0 Voto

JS : What exactly is CLASS and in what case do you need it?

28th Apr 2022, 8:07 AM

Lenoname

class constructor js purpose use

3 Votos

If I inherit derived class from base class as private what will be the order of constructor and destructor?

2nd Jan 2022, 6:13 AM

Ginfio

c++inheritance

1 Voto

[javascript] Syntax for adding method to retrieve properties from that class?

30th Aug 2016, 4:53 PM

Sunitha Ganti

class constructor javascript method

0 Voto

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

6th Dec 2017, 7:38 AM

Joe

0 Voto

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

21st Sep 2022, 10:37 PM

Lenoname

inheritance

1 Voto

constructor destructor php

15th May 2019, 1:56 AM

Debraj Singh

Destructor + unset

0 Voto

Problems with object constructors

8th Jun 2019, 5:23 PM

Maksym Biliaievskyi

constructor html javascript js object objects web

7 Votos

14 Respostas

15th Nov 2017, 10:04 PM

Jay

OOP with JS ,, Could you help me with OOJS ? Object-oriented javaScript

class constructor javascript objects oop

1 Voto

When we create objects of one class its constructor is invoked and we call its destructor then can we again use the object after

19th May 2020, 8:45 PM

Raven

constructors

3 Votos

How to write constructor for class B if it is a derived class of A? How to instantiate?

24th Oct 2021, 12:55 PM

Abhishek Pandey

c++constructors inheritance

0 Voto

From the code given below, the output should be 12(because constructor never inherit ) but it is 112 . How? Someone can explain.

23rd Nov 2016, 1:51 PM

Marcell Juhasz

c++constructors inheritance

0 Voto

why destructor in this code doesn't runs in visual studio's console application

21st Dec 2016, 4:09 AM

blumen

c++constructor destructors error sololearn

2 Votos

C#, I'm struggling with everything. Please assist.

27th Aug 2018, 4:56 PM

Suraj Jha

constructor inheritance polymorphism

0 Voto

Constructor Chaining in Java Please help what is wrong in this code as it does not compile and throws exception at this(hello())

18th Aug 2017, 10:43 AM

Mncedisi Nceddy Mzizi

constructors inheritance java super this

0 Voto

Is use of constructor in any program good or bad, if bad. What is another solution for construction based problems?

23rd Aug 2020, 10:18 AM

anshu kulshrestha

c++python3

0 Voto

what if i declare a parameter inside constructor which has private access specifier, would parameter also be private?

6th Oct 2019, 3:22 PM

Pushpendra Singh

cpp

0 Voto

Although we have a default protected constructor in abstract class , why we can't create a new instance from it?

13th Aug 2018, 2:21 PM

Arush Joshi

abstract-classes c#oop

1 Voto

(a) When p3 object is created, specify which constructor gets invoked and why? (b) Write complete definition for Constructor3.

2nd Aug 2017, 4:01 PM

Amin Saadati

and constructors des

0 Voto

Why do we make an object constructor using this keyword and don't we simple write return { a: x, b:y} in the function?

29th May 2018, 6:29 AM

heer patel

javascript

2 Votos

Is a globally declare function whose name is same as that of class can be a constructor in c++?

27th Oct 2020, 5:27 PM

Karak10

constructors declare globally

0 Voto

Why 6 calls to destructor for 5 objects?

16th Feb 2017, 1:08 PM

Deepika Behera

c++constructor copy-constructor destructor vector

1 Voto

I really want to know what is constructor function? I make plenty of research on it but still I did not get exactly what it is.

30th Jun 2022, 9:31 PM

Edward Finkelstein

c#java

0 Voto

Anyone can explain this?? Generally a constructor of base class doesn't inherit to derived class..... But here I'm confused...

3rd Oct 2021, 11:30 AM

Azzuro

c++classes constructors

0 Voto

Constructor of every object in vector is called everytime I add a new element. How do I resolve this?

9th Sep 2017, 2:06 PM

Harsha Sanju

c++

0 Voto

Is there any difference between creating new object with the default copy constructor and declaring a reference to it?

27th Mar 2017, 1:09 PM

denzal maradona

c++copy_constructor reference

0 Voto

Why do we need a constructor to set up start values for attributes when we can already set them right after declaring attributes

26th Nov 2016, 3:29 PM

Marcell Juhasz

attributes constructors

1 Voto

C++ Class Constructors and Destructors Access Specifiers

27th Apr 2017, 4:20 PM

Tina

access-specifier c++class constructor destructor

1 Voto

Throwing exception during object creation

6th Sep 2020, 5:13 AM

Edward Finkelstein

bestpractice constructor exception oop technique

0 Voto

How should the class look like?

7th Jan 2022, 10:03 AM

Agnes Ahlberg

c++char class constructor cpp

0 Voto

Unexpected Inheritance Output

1st Sep 2020, 1:55 PM

Oliver

c++constructor destructor inheritance output

0 Voto