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Constructing and Destructing sequence for three level inheritance

#include <iostream> using namespace std; class BaseClass { public:   BaseClass() {       cout << "Constructing base\n";    }   ~BaseClass() {        cout << "Destructing base\n";    } }; class DerivedClass1 : public BaseClass { public:   DerivedClass1() {       cout << "Constructing DerivedClass1\n";    }   ~DerivedClass1() {        cout << "Destructing DerivedClass1\n";    } }; class DerivedClass2: public DerivedClass1 { public:   DerivedClass2() {       cout << "Constructing DerivedClass2\n";    }   ~DerivedClass2() {       cout << "Destructing DerivedClass2\n";    } }; int main() {   DerivedClass2 ob;   return 0; }