import com.cronutils.model.Cron; public class CronJobExample { public static void main(String[] args) { Cron cron = Cron.fromString("0 0 3 * * ?"); CronJob job = new CronJob(cron, () -> { }); job.setPriority(Thread.NORM_PRIORITY); job.setMaxAttempts(3); job.setRetryDelay(1000); CronScheduler.getInstance().schedule(job); } }