#include <iostream>

class A
{
private:
    virtual void VirtualMethod()
    {
        std::cout << "A::VirtualMethod()";
    }

public:
    void TestMethod()
    {
        VirtualMethod();
    }

    virtual ~A() {}
};

class B : public A
{
private:
    void VirtualMethod()
    {
        std::cout << "B::VirtualMethod()";
    }

public:
    ~B() {}
};

int main()
{
    A* a = new B();
    a->TestMethod();
    delete a;

    return 0;
}