static, const, reference and class object, as datamembers

#include <iostream>using namespace std;class MyClass{public:int i;MyClass(int ii=0):i(ii){printf("MyClass constructor, at 0x%X/n",this);}};class DataMem{const int constMember;MyClass& refMember;MyClass objMember;public:static int staticMember;DataMem(const char* msg):constMember(++staticMember),objMember(2),refMember(*(new MyClass(1))){printf("Constructor/n%s:/nstatic: %d/nconst: %d/n/n",msg,staticMember,constMember);};DataMem(DataMem& d):constMember(++staticMember),objMember(2),refMember(*(new MyClass(d.refMember.i))){printf("Copy constructor/nstatic: %d/nconst: %d/n/n",staticMember,constMember);};~DataMem(){printf("Destructor/nstatic: %d/nconst: %d/n/n",staticMember,constMember);delete &refMember;staticMember--;}};int DataMem::staticMember = 0;int main(){DataMem d1("d1"), d2("d2"), d3=d1;return 0;};

 

Output:

 

MyClass constructor, at 0x471520
MyClass constructor, at 0x31F7AC
Constructor
d1:
static: 1
const: 1

MyClass constructor, at 0x471560
MyClass constructor, at 0x31F798
Constructor
d2:
static: 2
const: 2

MyClass constructor, at 0x4715A0
MyClass constructor, at 0x31F784
Copy constructor
static: 3
const: 3

Destructor
static: 3
const: 3

Destructor
static: 2
const: 2

Destructor
static: 1
const: 1