35 定时器

2020-10-14  本文已影响0人  张力的程序园

问题:

定时器技术有哪些?

答案:

 Timer timer = new Timer();
        timer.scheduleAtFixedRate(new TimerTask() {
            @Override
            public void run() {
                System.out.println("ali")
            }
        },1000,1000);

(2)ScheduledExecutorService

ScheduledExecutorService scheduledExecutorService = Executors.newScheduledThreadPool(1);
        scheduledExecutorService.scheduleAtFixedRate(new Runnable() {
            @Override
            public void run() {
                System.out.println("ali");
            }
        },1,1,TimeUnit.SECONDS);

(3)quartz
https://www.jianshu.com/p/9ca0e17e3cd2
(4)xxl job

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