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How would you stop a class from class from being derived or
inherited?The constructer should not be Private,as object
instantiation should be allowed.
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Answer / vikas
Kamma's answer is right. Here is the explanation:
First a brush of some C++ concepts:
1. In virtual inheritance, the most derived class calls the
virtual base class' c'tor/d'tor.
2. The class declared as 'friend class' can access the
private member functions of a class.
In A a; A' compiler tries to call A::A(), since its declared
as public its called. Now A::A() requires to call its parent
class's c'tor which although private but is able to be
called[1 above].
In C c; C::C() calls B::B()[2 above].
C being a non friend class can't access B::B() which is private.
More at:
http://www.cppquestions.com/viewtopic.php?f=33&t=25
| Is This Answer Correct ? | 1 Yes | 1 No |
Answer / boriska
make destructor private. Derived class would not be able to
access it, and compiler will produce error, when instance of
derived class is deallocated.
| Is This Answer Correct ? | 3 Yes | 4 No |
Answer / s.v.vignesh
heyy .. very simple yar..
juz add final keyword b4 t class..
u cannot inherit tat class.....
| Is This Answer Correct ? | 1 Yes | 2 No |
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