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#include #include class first { public: int x; }; class second:virtual public first { public: void getdata() { cout<>x; } void display() { cout<<"n Entered Value of X by means…

#include #include class trial { public: virtual void getdata()=0; virtual void display()=0; }; class basic:public trial { private: int x; public: void getdata() { cout<>x; } void display() { cout<<"n…

#include #include class sqr { protected: int x; public: virtual void getdata(); virtual void display(); virtual int area(); }; class rect :public sqr { protected: int y; public: void getdata();…

# include # include void area (float r) ; void area (float l, float b) ; void main () { float r1, l1, b1 ; clrscr () ; cout <>…

#include #include class first { public: first() { cout<<"nBIRTH OF OBJECT OF CLASS FIRST" ; } ~first() { cout<<"nDEATH OF OBJECT OF CLASS FIRST" ; } }; class second :…

#include #include class first { public: ~first( ) { cout<<"n DEATH OF OBJECT OF CLASS FIRSTn"; } }; class second : public first { public: ~second( ) { cout<<"n DEATH…

#include #include class base { public: base() { cout<<"Constructing base n"; } virtual ~base() { cout<<"Destructing base n"; } }; class derived: public base { public: derived() { cout<<"Constructing derived…

#include #include class base { public: base( ) { cout<<"Constructing base n"; } ~base( ) { cout<<"Destructing base n"; } }; class derived: public base { public: derived() { cout<<"Constructing…

include #include class first { public: first() { cout<<"n BIRTH OF OBJECT OF CLASS FIRST" ; } }; class second : public first { public: second() { cout<<"n BIRTH OF…

#include #include class student { protected: int roll_number; public: void get_number(int a) { roll_number=0; } void put_number() { cout<<roll_number<<endl; } }; class test:public student { protected: float sub1,sub2; public: void…