class Base
{
public:
    Base()
    {
        cout<<"Base()"<<endl;
    }
    virtual ~Base()
    {
        cout<<"~Base()"<<endl;
    }
};
class Child:public Base
{
public:
    Child()
    {
        cout<<"Child()"<<endl;
    }
    virtual ~Child()
    {
        cout<<"~Child()"<<endl;
    }
};
int main(int argc, char* argv[])
{
    Child x;
    return 0;
}

#include<stdio.h>

class Base
{
    char sz[12];
public:
    virtual ~Base()
        {
            printf("Base::~Base\n");
        }
};

class test:public Base
{
    int data[4];
public:
    ~test()
        {
            printf("Base::~Base\n");
        }
};

int main()
{
    Base* p = new test[4];

    delete[] p;

    return 0;
}