Printer Queue

package StacksAndQueues;

import java.util.ArrayDeque;
import java.util.Scanner;

public class PrinterQueue {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        ArrayDeque<String> queue = new ArrayDeque<>();

        String command = scanner.nextLine();
        while (!"print".equals(command)){

            if ("cancel".equals(command)){

                if (queue.isEmpty()){
                    System.out.println("Printer is on standby");
                }else {
                    System.out.println("Canceled "+ queue.poll());
                }
            }else {
                queue.offer(command);
            }
            command = scanner.nextLine();
        }

        for (String element : queue) {
            System.out.println(element);
        }
    }
}