What are virtual constructors and destructors in c++

C++ allows programmers to create virtual destructors. But, it doesn’t allow virtual constructors to be created because of various reasons. To know why a virtual destructor is needed, consider the following program: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 #include <iostream> using namespace std; class A { public: A() { cout<<“A’s constructor”<<endl; } ~A() { cout<<“A’s destructor”<<endl; } }; class B : public A { public: B() { cout<<“B’s

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What are virtual constructors and destructors in c++
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