Constructs In Hierarchy (Review the last test)

ConstructsInHierarchy.cpp

#include <iostream>
using namespace std;

class A
{
public:
    A() { cout << "A()" << endl; }
    ~A() { cout << "~A()" << endl; }
};

class B : public A
{
public:
    B() { cout << "B()" << endl; }
    B(int arg) { cout << "B(arg)" << endl; }
    ~B() { cout << "~B()" << endl; }
    
};

int main() {
	B b(10);
	
    // Output
    // 
    // A()
    // B(arg)
    // ~B()
    // ~A()
	
	return 0;
}