import java.awt.Color;
import java.util.ArrayList;


public class Bag {
	private Color color; // part of every Bag object
	//private Fabric material;
	private ArrayList<Object> contents;
	private boolean openness;

	public Bag() {
		this.contents = new ArrayList<Object>();
		this.contents.add("Thank you for buying the bag. Buy more!");
		this.color = Color.MAGENTA;
	}
	
	public void store(Object thing) {
		this.contents.add(thing);
	}
	public Object[] empty() {
		Object[] stuff = new Object[this.contents.size()];
		for(int i=0; i<this.contents.size(); i+=1) {
			stuff[i] = this.contents.get(i);
		}
		this.contents.clear();
		return stuff;
	}

	
	public void open() {
		this.openness = true;
	}

	public static void main(String[] args) {
		Bag b = new Bag();
		b.open();
		b.store(1110);
		Object[] stuff = b.empty();
		System.out.println(stuff.length);
	}

}