virtual function exmaple

virtual_function.cpp

class Shape {
public:
    virtual void draw() {
        std::cout << "Drawing a shape\n";
    }
};

class Circle : public Shape {
public:
    void draw() override {
        std::cout << "Drawing a circle\n";
    }
};

int main() {
    Shape* shapePtr = new Circle();
    shapePtr->draw(); // Output: "Drawing a circle"
    delete shapePtr;
    return 0;
}