How would you stop a class from class from being derived or
inherited.

Answers were Sorted based on User's Feedback



How would you stop a class from class from being derived or inherited...

Answer / satya

By Declaring the Class as 'Sealed' in C# or
as "NotInheritable" in VB.NET

Is This Answer Correct ?    8 Yes 3 No

How would you stop a class from class from being derived or inherited...

Answer / deepak joshi

Guys what happened to you all???? Will 'Final' not do????

Is This Answer Correct ?    8 Yes 4 No

How would you stop a class from class from being derived or inherited...

Answer / stavanm

By Creating class as a final

final class A{
// code
}

Is This Answer Correct ?    5 Yes 1 No

How would you stop a class from class from being derived or inherited...

Answer / srini

#define DO_NOT_DERIVE(T) \
class NoDerive_##T { \
friend class T;
\
NoDerive_##T() {}
\
NoDerive_##T(const NoDerive_##T&) {} \
};
#define stopderiving(T) private virtual NoDerive_##T

when we derive from any class, the constructor needs to be
called, since here constructor of NoDerive calss is
private, it cannot be derived. And friendship cannot be
inherited.
usage
class finalclass : stopderiving (finalclass)
{
....
};

the other possible solution for this is making the default
constructor private.

Is This Answer Correct ?    4 Yes 1 No

How would you stop a class from class from being derived or inherited...

Answer / bala

Final will do in Java. But not in C++.

I hope, bye creating all the constructor,copy constructor
in private will stop inherite the class.
Plz refer 'Singleton Pattern'

Is This Answer Correct ?    1 Yes 1 No

How would you stop a class from class from being derived or inherited...

Answer / selvam

but onething.If you make constructor as private you will
not be able to create an object of that class.

Is This Answer Correct ?    0 Yes 0 No

How would you stop a class from class from being derived or inherited...

Answer / montylee

Here's the correct answer:
http://www.parashift.com/c++-faq-lite/strange-inheritance.html#faq-23.11

Is This Answer Correct ?    0 Yes 0 No

How would you stop a class from class from being derived or inherited...

Answer / anant tiwari

There are three way to stop a class been derived (example in C#)
1) declare a class as static (Ex : static class Sample {....}
2) declare the class constructor as private (Ex class Sample{ private Sample(){}....}
3) declare a class as sealed class Ex : sealed class Sample {...}

Is This Answer Correct ?    0 Yes 0 No

How would you stop a class from class from being derived or inherited...

Answer / dom wadegu

by declearing a sub-class protected.

Is This Answer Correct ?    0 Yes 0 No

How would you stop a class from class from being derived or inherited...

Answer / ravinandan

Make constructor of the class as private.

Is This Answer Correct ?    7 Yes 8 No

Post New Answer

More OOPS Interview Questions

How do you achieve polymorphism?

0 Answers  


what is an instance of a class

5 Answers  


Whatis the difference between oop and object based language

3 Answers  


Why do we use encapsulation in oops?

0 Answers  


what is oops

4 Answers   NIIT,






What are the benefits of interface?

0 Answers  


what is the technical or oop name of object?

1 Answers  


what is graphics

0 Answers  


what is the use of classes in c++;

2 Answers   HCL,


How oops is better than procedural?

0 Answers  


ambiguity regulation of multiple inheritance with example.

1 Answers  


design class for linked list and include constructor,destructor,insert option. node of form struct node { int data; struct node &ptr; }

0 Answers  


Categories