#include <iostream>
#include <stdlib.h>
using namespace std;
class B
{
public:
B()
{
cout << "B()" << endl;
}
~B()
{
cout << "~B()" << endl;
}
int m_b1;
int m_b2;
};
class A
{
public:
A()
{
m_pb1 = new B;
m_pb2 = new B;
cout << "A()" << endl;
}
~A()
{
delete m_pb1;
m_pb1 = nullptr;
delete m_pb2;
m_pb2 = nullptr;
cout << "~A()" << endl;
}
B *m_pb1;
B *m_pb2;
};
int main(){
A *pa1 = new A;
delete pa1;
pa1 = nullptr;
system("pause");
return 0;
}