/*
    TestQueue1.java
    CIS 160
    David Klick
    2009-12-01

    Demonstration of Queue interface.
*/

import java.util.LinkedList;
import java.util.Queue;

public class TestQueue1 {
    public static void main(String[] args) {
        Queue<Long> stack = new LinkedList<Long>();
        
        // Add 10 through 1 to queue
        long n = 10L;
        while (n > 0) stack.add(n--);
        
        // Remove each item from queue and get product of them all
        long result = 1L;
        while (!stack.isEmpty()) result *= stack.remove();
        
        // The result should be 10! (362880)
        System.out.println(result);
    }
}

/*
    Sample run:

    3628800
*/