Demo No. 3e Inheritance V </HEAD> <BODY> <H1> <CENTER><B> <FONT SIZE= 4>Inheritance</FONT></B> </CENTER></H1> <H2> <FONT SIZE= 3> Constructors, destructor and data members</FONT> </H2> <H2> <FONT SIZE= 3> A class is a user defined type, hence it can play the role of a data member</FONT> </H2> <P> <HR> <PRE> #include <iostream.h> class SomeOther { public: SomeOther() { int static i = 0; cout << ++i << " SomeOther class constructor called" << endl << endl; } ~SomeOther() { cout << "SomeOther class destructor called" << endl << endl; } }; class Base { private: SomeOther x; public: Base(){ cout << "Base class constructor called" << endl << endl; } ~Base() { cout << "Base class destructor called" << endl << endl; } }; class Derived: public Base { protected: SomeOther x; public: Derived(){ cout << "Derived class constructor called" << endl << endl; } ~Derived(){ cout << "Derived class destructor called" << endl << endl; } }; void main() { Derived D; } <P><HR> /* 1 SomeOther class constructor called Base class constructor called 2 SomeOther class constructor called Derived class constructor called Derived class destructor called SomeOther class destructor called Base class destructor called SomeOther class destructor called Press any key to continue */ </PRE> <BR><HR> <A HREF="week2.html">Go Back to Inheritance</A> </BODY> </HTML>