Quartz schedular example

Main.java

package org.example;

import org.quartz.Job;
import org.quartz.JobBuilder;
import org.quartz.JobDetail;
import org.quartz.JobExecutionContext;
import org.quartz.JobExecutionException;
import org.quartz.Scheduler;
import org.quartz.SchedulerFactory;
import org.quartz.Trigger;
import org.quartz.TriggerBuilder;
import org.quartz.impl.StdSchedulerFactory;

import static org.quartz.CronScheduleBuilder.cronSchedule;

public class Main {

    public static void main(String[] args) throws Exception {
        SchedulerFactory schedulerFactory = new StdSchedulerFactory();

        Scheduler scheduler = schedulerFactory.getScheduler();

        JobDetail job1 = JobBuilder.newJob(DemoJob.class)
            .withIdentity("job1", "group1")
            .build();

        Trigger trigger1 = TriggerBuilder.newTrigger()
            .withIdentity("trigger1", "group1")
            .withSchedule(cronSchedule("0 0/1 * * * ?")) // seconds, minutes, hours, days, months, weekdays, (years)
            .build();

        scheduler.scheduleJob(job1, trigger1);

        scheduler.start();
    }

    public static class DemoJob implements Job {
        @Override
        public void execute(JobExecutionContext context) throws JobExecutionException {
            System.out.println("Hello World");
        }
    }
}