Using Destructor in inheritance

Question

In this inheritance program I create 2 classes which A is parent and B is child class . and i crate cons of both classes and also use Destructor, and both classes have tow objects . @ MY question is that when my program is run then its output show 2 Destructor of class a why ?

#include <iostream>
using namespace std;
class A  
{
    int a;

public:
    A(int a1)   // cons(A)
    {
        a = a1;
    }
    A() {}   // Dis(A)
    ~A() { cout << "A Disturctor"<< endl; }
};
class B : public A   // inheritance 
{
    int b;

public:
    B(int b1)  // cons (A)
    {
        b = b1;
    } 
    ~B() { cout << "B Disturctor" << endl; }    // Dis(B)
   
};

int main()
{
    A hamza(1);
    B Ramza(4);

    return 0;
}

Output:

B Disturctor 

A Disturctor1 

A Disturctor2

Answer 1

The first "A Disturctor" is for object "A hamza(1)". The second "A Disturctor" is for object "B Ramza(4)"

Since B inherits from A, when object of class B is destroyed, destructor of both class B and class A are called.