/*
   Some basics on classes.
*/
#include <iostream>
using namespace std;

class verysimple{
public:
	int data;
	//verysimple():data(74){}
	// this is 2 constructors default and overload
	verysimple(int x=5):data(x){}
	void setData(int  y){	
		data = y;
	}
};
class mildlycomplex:public verysimple{
public:
	mildlycomplex():verysimple(14){}
};
class morethanmildlycomplex:public mildlycomplex{
public:
    morethanmildlycomplex();
};
morethanmildlycomplex::morethanmildlycomplex(){
}

// show use of static variable to keep track
// of number of bats in belfrey.
class bat{
public:
	static count;
	bat(){
		count++;
	}
};
int bat::count = 0;

void main(){

	verysimple vs(3), used;
	cout << used.data << endl;
    vs.setData(12);
	cout << vs.data << endl;
	mildlycomplex mc;
	cout << mc.data << endl;
	// put bats in belfrey
	bat vlad, a, b, c, d, e;
	cout << "You have " << b.count <<" bats in your belfrey" << endl; 

}