Store.java

import java.util.ArrayList;
import java.util.List;

/**
* Created by psands on 1/26/2016
*/

public class Store {
	public ArrayList<SaleItem> saleItems;
	public ArrayList<AuctionItem> auctionItems;

	public static void main(String[] args) {
		Store myStore = new Store();
		myStore.saleItems = new ArrayList<SaleItem>();
		myStore.auctionItems = new ArrayList<AuctionItem>();

		User u1 = new User("Anna");
		User u2 = new User("Blake");
		User u3 = new User("Caitlyn");
		User u4 = new User("Dad");

		myStore.saleItems.add(new SaleItem("Super fun stick", 2.50, u4, 0.1));
		myStore.saleItems.add(new SaleItem("Volleyball", 22.49, u2, 0.2));
		myStore.saleItems.add(new SaleItem("10,000-piece puzzle", 100.00, u3, 0.25));

		myStore.auctionItems.add(new AuctionItem("Programming textbook", 10.00, u1, 10));
		myStore.auctionItems.add(new AuctionItem("Cat pajamas", 9.25, u2, 8));
		myStore.auctionItems.add(new AuctionItem("Bottlecap collection", 25.00, u3, 5));
		myStore.auctionItems.add(new AuctionItem("Cup of joe", 1.99, u4, 5));

		System.out.println(printItems(myStore.saleItems));
		System.out.println(printItems(myStore.auctionItems));

		advanceDay(myStore.auctionItems);

		myStore.auctionItems.get(0).makeBid(u2, 11.00);
		myStore.auctionItems.get(0).makeBid(u3, 11.00);

		advanceDay(myStore.auctionItems);

		myStore.saleItems.get(0).purchaseItem(u4);

		System.out.println(printItems(myStore.saleItems));
		System.out.println(printItems(myStore.auctionItems));

	}

	public static String printItems(List myList) {
		String s = "Available items:\n";
		for (Object i : myList) {
			s += i + "\n";
		}
		return s;
	}

	public static void advanceDay(ArrayList<AuctionItem> myList) {
		for (AuctionItem ai : myList) {
			ai.advanceDay();
		}
	}
}