package com.sleep;


public class Main {

    public static void main(String[] args) {

        int[] arr = {1, 9, 2, 8, 8, 3, 6, 4, 5, 7};

        for (int i1 : arr) {
            new SleepThread(i1).start();
        }
    }
}

class SleepThread extends Thread {

    private int number;

    SleepThread(int number) {
        this.number = number;
    }

    @Override
    public void run() {
        try {
            Thread.sleep(number * 500);
        } catch (InterruptedException e) {
            e.printStackTrace();
        }

        System.out.println(number + "");
    }
}

这里*500毫秒，方便看过程，如果数大一点，嗯…