package java2.D;

import java.util.*;

public class Zoo<AA extends Animal>
{
	private List<AA> animals;
	
	public Zoo()
	{
		animals = new ArrayList<AA>();
	}
	
	public void add(AA a)
	{
			animals.add(a);
	}
	
	public List<AA> getAllAnimals()
	{
		return animals;
	}
	
	public int count()
	{
		return animals.size();
	}
	
	public AA getAnimal(int i)
	{
		return animals.get(i);
	}
	
	public Iterator<AA> iterator()
	{
		return animals.iterator();
	}
}