C++中构造函数与析构函数的虚函数特性及多态行为分析

#include 
#include 

using namespace std;

class Base
{
public:
    Base()
    {
        cout <<"Base()" <class Derived : public Base
{
public:
    Derived()
    {
        cout <<"Derived()" <int main()
{
    Base* p = new Derived();

    // ...

    delete p; // 期望先调用子类的析构函数，再调用父类的析构函数，即期望打印：~Derived()  ~Base()

    return 0;
}

#include 
#include 

using namespace std;

class Base
{
public:
    Base()
    {
        cout <<"Base()" <class Derived : public Base
{
public:
    Derived()
    {
        cout <<"Derived()" <int main()
{
    Base* p = new Derived();

    // ...

    delete p;

    return 0;
}