Menu.java

      import java.text.*;
import java.util.*;

public class Menu {
    ArrayList item = new ArrayList();
    ArrayList price = new ArrayList();

    public Menu() {
    }

    public void display() {
        NumberFormat money = NumberFormat.getCurrencyInstance();

        for (int i = 0; i < item.size(); i++) {
            System.out.println((i + 1) + "\t" + item.get(i) + "\t" +
                money.format(price.get(i)));
        }
        System.out.println();
    }

    public void addItem(String s, double d) {
        item.add(s);
        price.add(new Double(d));
    }

    public String getItem(int i) {
        return (String) item.get(i);
    }

    public double getPrice(int i) {
        return ((Double) price.get(i)).doubleValue();
    }

    public int numberOfMenuItems() {
        return item.size();
    }
}