// Problem without virtual destructors
#include<iostream.h>
#include<conio.h>
class base
{
public:
base()
{
cout<<"\n Base class constructor";
cout<<endl;
}
~base()
{
cout<<"\n Base class destructor";
cout<<endl;
}
};
class derived:public base
{
public:
derived()
{
cout<<"\n Derived class constructor";
cout<<endl;
}
~derived()
{
cout<<"\n Derived class destructor";
}
};
void main()
{
clrscr();
base *ptr=new derived;
delete ptr;
}
Test data
Output
Base class constructor
Derived class constructor
Base class destructor
