#pragma once

class Iterator;
typedef int Object;

class Aggregate {
public:
 Aggregate();
 virtual ~Aggregate();
 //virtual Iterator* CreateIterator() = 0;
 virtual Object GetItem(int idx) = 0;
 virtual int GetSize() = 0;
};

class ConcreteAggreaget :public Aggregate {
public:
 enum { SIZE = 3 };
 ConcreteAggreaget();
 //Iterator* CreateIterator();
 Object GetItem(int idx);
 int GetSize();
private:
 Object _objs[SIZE];
};