VendingMachine

package org.vm;

import java.text.DecimalFormat;
import java.util.Scanner;

/*This is a simple vending machine program I developed in Java.
 * Simply type in what item you want, and input the number of coins/dollars.
 * If you don't put in enough, you'll have to add more coins!
*/

public class VendingMachine {
  
	static Item i1 = new Item("Coffee",0.75);
	static Item i2 = new Item("Soda",1.15);
	static Item i3 = new Item("Beer",1.75);
	static Item i4 = new Item("Vodka",11.95);
	static String name;
	static int n, d, q, dol;

	
	public static void main(String[] args) {
		DecimalFormat f = new DecimalFormat("##.00");
		double total;
		Item item = null;
		Scanner s = new Scanner(System.in);
		System.out.println("Welcome to Robert's Vending Machine!  Please, take a look at my items!");
		System.out.println(i1.getName() + "  $" + i1.getPrice());
		System.out.println(i2.getName() + "  $" + i2.getPrice());
		System.out.println(i3.getName() + "  $" + i3.getPrice());
		System.out.println(i4.getName() + "  $" + i4.getPrice());
		
		System.out.println("Which item would you like?");
		name = s.nextLine();
		
		while (!name.equals(i1.getName()) && !name.equals(i2.getName()) && !name.equals(i3.getName()) && !name.equals(i4.getName())) {
		System.out.println("I'm sorry, that's not an item on the list.  Please type it exactly as you see it.");
		name = s.nextLine();
		}
		if (name.equals(i1.getName())) {
			item = i1;
		} else if (name.equals(i2.getName())) {
			item = i2;
		} else if (name.equals(i3.getName())) {
			item = i3;
		}
		else if (name.equals(i4.getName())) {
			item = i4;
		}
		System.out.println("You selected " + name.toLowerCase() + ".  Great!  how would you like to pay for that?  " +
				"Please enter the number of nickels, dimes, quarters, and dollars you will use.  Just enter the amount of each! (i.e. 1 2 3 4)");
		System.out.println("N D Q DOL");
		n = s.nextInt();
		d = s.nextInt();
		q = s.nextInt();
		dol = s.nextInt();
		
		total = n*0.05 + d*0.10 + q*0.25 + dol*1.00;

		while (total < item.getPrice()) {
			System.out.println("You've only added $" + f.format(total) + "!  You need to put in more change!  Please add more coins in the same way as above");
			System.out.println("N D Q DOL");
			n += s.nextInt();
			d += s.nextInt();
			q += s.nextInt();
			dol += s.nextInt();
			total = n*0.05 + d*0.10 + q*0.25 + dol*1.00;
		} 
			System.out.println("You paid a total of $" + f.format(total));
			System.out.println("Your change is $" + f.format(total - item.getPrice()));
			System.out.println("Enjoy your " + name.toLowerCase() + " and have a good day.");
	}
}