public static void main(String s[])
	{
		Bag<Integer> bag = new Bag<Integer>();
		for (int i = 0; i < 10; i++)
			bag.add(i);
		if (!bag.isEmpty())
		{
			System.out.println("Size : " + bag.size());
			for (Integer i : bag)
				System.out.println(i);
			bag.iterator().remove();
		}
	}