C++ examples for Class:Class Pointer
Normal functions accessed from pointer
#include <iostream> using namespace std; class Base //base class { public://from w w w. j a va 2 s . c o m void show() //normal function { cout << "Base\n"; } }; class Derv1 : public Base //derived class 1 { public: void show() { cout << "Derv1\n"; } }; class Derv2 : public Base //derived class 2 { public: void show() { cout << "Derv2\n"; } }; int main() { Derv1 dv1; //object of derived class 1 Derv2 dv2; //object of derived class 2 Base* ptr; //pointer to base class ptr = &dv1; //put address of dv1 in pointer ptr->show(); //execute show() ptr = &dv2; //put address of dv2 in pointer ptr->show(); //execute show() return 0; }