class.cc

#include <iostream>

using namespace std;

class Test
{
    private:
        int a;
    public:
        int *b = new int;
    public:
        Test(){
            a = 0;
            *b = 10;
        };
        ~Test(){
            this->a = 99999;
            delete b;
            this->print();
        };
        virtual int print(){
            cout<<"hello world|"<<a<<"|"<<*b<<endl;
            return 0;
        };
};

int main()
{
    Test t;
    *(t.b)=9;
    t.print();
    Test * t2 = new Test();
    t2->print();
    delete t2;
}