import java.util.*;

public class App {

	public static void main(String[] args) {

		Hashtable<String, Queue<String>> office = new Hashtable<String, Queue<String>>();
		String[] names = new String[] { "Ofir", "Jeremy", "Lotem", "Tzahi", "Daniel", "David", "Elad" };
		String service = null;
		int i, j;

		// Add 3 cells to office Hashtable
		office.put("bank", new PriorityQueue<String>());
		office.put("mail", new PriorityQueue<String>());
		office.put("payment", new PriorityQueue<String>());

		/*
		 This loop sets the queue type by the value of i (there are 3 queues).
		 The inner loop adds the people from names array to the desired queue.
		 */
		for (i = 0; i < 3; i++) {
			switch (i) {
			case 0:
				service = "bank";
				break;
			case 1:
				service = "mail";
				break;
			case 2:
				service = "payment";
				break;
			}

			for (j = 0; j < 7; j++) {
				office.get(service).add(names[j]);
			}
		}

		// Printing newly-created queues. <----------- why is it not the same way I added them?
		System.out.println(office.get("bank"));
		System.out.println(office.get("mail"));
		System.out.println(office.get("payment"));
		System.out.println("----- Calls -----");

		// Poll 2 people from bank queue
		for (i = 0; i < 2; i++) {
			System.out.println("Next in queue for bank: " + office.get("bank").poll());
		}

		// Poll 3 people from mail queue
		for (i = 0; i < 3; i++) {
			System.out.println("Next in queue for mail: " + office.get("mail").poll());
		}

		// Poll 1 person from payment queue
		System.out.println("Next in queue for payment: " + office.get("payment").poll());


		// Shows the remaining size of each queue
		System.out.println("----- Sizes -----");
		System.out.println("bank: " + office.get("bank").size());
		System.out.println("mail: " + office.get("mail").size());
		System.out.println("payment: " + office.get("payment").size());
	}

}


--------------- OUTPUT ---------------
[Daniel, Jeremy, David, Tzahi, Ofir, Lotem, Elad]
[Daniel, Jeremy, David, Tzahi, Ofir, Lotem, Elad]
[Daniel, Jeremy, David, Tzahi, Ofir, Lotem, Elad]
----- Calls -----
Next in queue for bank: Daniel
Next in queue for bank: David
Next in queue for mail: Daniel
Next in queue for mail: David
Next in queue for mail: Elad
Next in queue for payment: Daniel
----- Sizes -----
bank: 5
mail: 4
payment: 6