Use of static Data Members
#include <iostream>
using namespace std;
class A
{
int x;
public:
A() { cout << "A's constructor called " << endl; }
};
class B
{
static A a;
public:
B() { cout << "B's constructor called " << endl; }
static A getA() { return a; }
};
A B::a; // definition of a
int main()
{
B b1, b2, b3;
A a = b1.getA();
return 0;
}