countdown.java

来自「java课件 java课件 java课件 java课件」· Java 代码 · 共 14 行

import java.util.*;
public class CountDown {
    public static void main(String[] args) throws InterruptedException {
        int time = Integer.parseInt(args[0]);
        Queue<Integer> queue = new LinkedList<Integer>();
        for (int i = time; i >= 0; i--)
            queue.add(i);
        while(!queue.isEmpty()) {
            System.out.println(queue.remove());
            Thread.sleep(1000);
        }
    }
}