Qartz&Cron

LessonOne.java

package lesson1;

import org.quartz.CronScheduleBuilder;
import org.quartz.JobBuilder;
import org.quartz.JobDetail;
import org.quartz.Scheduler;
import org.quartz.SchedulerException;
import org.quartz.SchedulerFactory;
import org.quartz.Trigger;
import org.quartz.TriggerBuilder;
import org.quartz.impl.StdSchedulerFactory;

public class LessonOne {

	public static void main(String[] args) throws SchedulerException {
		SchedulerFactory schedFact = new StdSchedulerFactory();
		Scheduler scheduler = schedFact.getScheduler();
		scheduler.start();
		JobDetail job = JobBuilder.newJob(HelloJob.class)
				.withIdentity("myjob", "group1").build();
		Trigger trigger = TriggerBuilder
				.newTrigger()
				.withIdentity("myTrigger", "group1")
				.startNow()
				.withSchedule(CronScheduleBuilder.cronSchedule("0/5 * * * * ?"))
				.build();
		scheduler.scheduleJob(job, trigger);
	}

}

HelloJob.java

import java.util.Date;

import org.quartz.Job;
import org.quartz.JobExecutionContext;
import org.quartz.JobExecutionException;

public class HelloJob implements Job {

	@Override
	public void execute(JobExecutionContext context)
			throws JobExecutionException {
		System.out.println(new Date()+"Hahahaha");

	}

}