Обсуждения

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

25th Aug 2020, 2:52 PM

Timothy Njiru

c++constructor object slicing

0 голосов

Can object of derived class access protected member functions of its base class?

10th Apr 2020, 4:22 PM

Tyler

inheritence

1 голос

Is it true a derived class does not inherit base class constructor and destructor?

28th Feb 2017, 6:03 AM

Prabhat Rao

constructors

1 голос

Can you help me with base class reference to derived classes? Thank you :)

14th May 2018, 4:55 PM

Mixe

base c++derived exceptions reference

1 голос

So c# and c++ are both derived from c . So what exactly is different between the two

17th Aug 2021, 11:39 AM

Rishi

Why is the base class constructor called before the derived class and the derived class destructor called before based class destructor? Please I need brief explanation on this.

12 голосов

5 ответов

13th Apr 2017, 5:20 AM

Karuma Tendai

0 голосов

In the below program,How to call a base class from its derived class ?

6th Aug 2016, 3:10 PM

shola ola ibrahim

cpp

1 голос

Can anyone explain static polymorphism where overridden methods are called directly by using derived objects?

28th Mar 2017, 7:21 AM

keerthiga

compiletimepolymorphism earlybindings polymorphism staticpolymorphism

0 голосов

I want to use 2 derived classes' methods acting on objects of these classes

14th Dec 2018, 8:38 AM

Shashank Tripathi

c#c++derived implementation javascript methods

0 голосов

In C++, how to call derived class constructors if base class also has parameterized constructor?

25th Nov 2019, 8:21 AM

Арсений Горбунов

base-classes classes constructors cpp derived-classes oop

0 голосов

Lots of technologies exist derived from JavaScript. Where to find for what each one is used?

7th Jul 2020, 8:14 PM

Kisembo Allan

javascript

2 голосов

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

19th Jul 2016, 3:40 PM

Albert Gullbee

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

1 голос

6 ответов

11th Aug 2022, 12:58 PM

Muhammad Talha Atif

Why does pointers to the base class when we can just does the derived class?

c++polymorphism virtual

0 голосов

Create an abstract class called "Animal" and four derived classes Cow, Horse, Tiger, and Lamb.

17th Mar 2020, 7:25 PM

Donovan Thompson

abstract-classes c++member-funtion

-1 голос

Can private members of the base class become protected members of the derived class in protected inheritance?

20th Nov 2020, 12:14 PM

Something New

3 голосов

Measurement of attribute ... what is the meaning of all that 100 2000 cy cx how are the numbers derived

12th Feb 2017, 9:31 AM

Loise Muthoni

measurement

0 голосов

10 ответов

18th Mar 2018, 8:19 PM

Jeffrey Ohene Kankam Mensah

Would I be wrong in stating that all of C#, JavaScript, Java, C++ are derived from C?

c c#c++java javascript

3 голосов

Why do we use the base class type when defining pointers to derived class objects?

4th May 2017, 7:46 PM

Hassen Basdouri

c++oop pointers

0 голосов

I don't understand. What should I do to avoid the execution of constructor base class by creating derived class?

30th Mar 2022, 6:38 AM

Paek Se

c#inheritance

2 голосов

Help! Topic: inheritance, derived classes in C++. CAN someone explain the error" calling a private constructor, has_abs is priv

22nd Apr 2016, 9:02 AM

ShaminIlya

cplusplus

0 голосов

Why compiliator gives error when i try assign a value fuelCons in derived class? where is my mistake?

1st Jun 2020, 8:34 AM

Reynolds Onyango

class protected

1 голос

How Is it possible to access the private member of a base class in the derived class in c++

4th Aug 2017, 1:18 AM

Nursultan Esirkegenov

0 голосов

What is the result of this code? fib={1:1,2:1,3:2,4:3} print (fib.get (4,0) +fib.get (7,5)) the answer derived was 8 !?? How??

3rd Jun 2021, 2:05 PM

steadson allen

no tags

1 голос

Help! Topic: inheritance, derived classes in C++. CAN someone explain the error" calling a private constructor, has_abs is priv

7th Jun 2017, 11:44 PM

thomo

0 голосов

We can assign Derived Class Object to Base Class Object. But why can't we do the reverse?

31st May 2020, 9:31 AM

Reynolds Onyango

0 голосов

Should I learn C++ first or C? I know C++ was derived from C. Does it not matter which is learnt first? Please advise

26th Jan 2017, 3:20 PM

james nyle

c c++or

6 голосов

5 ответов

5th Feb 2017, 7:09 AM

Michelle Ryan

what will be output is function with same parameters and same return type is used in derived class

cpp inheritance

2 голосов

Is protected member accessible within the class where it's been declared and within its derived class's INSTANCES?

4th Aug 2017, 4:01 PM

Siddharth K

c#challenge mistake

0 голосов

Why do I can't initialize protected variable through constructors aren't they inherited protected members of derived class?

3rd Feb 2017, 11:07 AM

Vladimir Poddukin

c++polymorphism

1 голос

How to access a virtual method of the based class from the derived class where the method have been redefined ?

23rd Dec 2016, 6:07 PM

Abhishek Sharma

c#polymorphism

0 голосов

5 ответов

31st Jul 2016, 2:29 PM

Ission

( Need Help ) How to change the value of private member of base class from derived class ? thank you 🐱

c#classes constructors

2 голосов

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

9th May 2019, 2:40 AM

Putu Ekky Crisayoga

1 голос

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

30th Aug 2016, 4:53 PM

Sunitha Ganti

c++constructors inheritance

0 голосов

Whta is " Pointers to derived classes " in c++ " ? Please give me a better understandable definition.

23rd Nov 2016, 1:51 PM

Marcell Juhasz

c++loops

2 голосов

Where is a good resource to learn more about classes(public private, derived etc) and how they work with each other? Thanks

7th Feb 2017, 3:47 PM

Fazle Rasool Rizvi

c++classes java

1 голос

Does copy constructor / assignment operator of base class also gets called

14th Nov 2016, 8:43 PM

Flo

assignment base c++copy derived

5 голосов

can someone help me in java project

17th Jun 2020, 1:26 PM

Ketan Lalcheta

arraylist class covid_19 derived help java

1 голос

7 ответов

27th Apr 2020, 10:44 PM

Anas Omari

Does derived class inherits v pointer from base class and uses that only or it have its own v pointer also?

1 голос

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

17th Jan 2020, 1:26 PM

Amit chavare

c++classes constructors

0 голосов

How to keep initial class object name?

9th Sep 2017, 2:06 PM

Harsha Sanju

c++classes derived inheritance

2 голосов

Why this program gives error. It doesn't gives error if we remove the definition of fun() function in derived class B. Why it be

24th Jan 2017, 7:20 PM

Travon

c++classes inheritance oop oops

0 голосов

Do I have to declare all of class members as 'protected' if I would like to use them in a derived class?

13th Jun 2021, 6:00 AM

Rahul Kumar

c++inheritance java private

2 голосов

Can anybody tell me, if the c'tor d'tor calling works the same way with polymorhism, as I instatiate a derived class?

16th Nov 2016, 6:34 PM

Marcell Juhasz

c#polymorphism

0 голосов

if the base class has a overloaded constructor, can we specify which to be called when creating a derived class from the bass class?

18th Apr 2016, 1:56 PM

Gábor Beke

3 голосов

Assume there is a class Derv with one int variable that is derived from a base class Base with one int variable.

30th Apr 2016, 3:19 PM

Moria

c++class declarations

0 голосов

why do we use VirtualFunction to allow derived class to use to base class function , yet we already have the inheritance acces s

11th Jan 2021, 12:43 AM

mohamed emad

c++function inheritence virtual virtualfunction

0 голосов

Why two time base / parent constructor is not called

23rd Aug 2018, 3:28 PM

S. Kaouche

base c++constructor deligate derived

1 голос

2 classes base class - A & derived - B .How to access private member(n) which is declared in A to B as A::n

22nd Jun 2020, 4:46 PM

Ketan Lalcheta

0 голосов