title: java quartz scheduler run at specific time
body: <p>For example, I want to write a Java program to print "Hello World" at each day 12 am, how can I use Quartz scheduler to achieve this? </p>
  
  <pre><code>Trigger trigger = TriggerUtils.makeDailyTrigger(0, 0);
  trigger.setName("trigger1");
  trigger.setGroup("group1");
  </code></pre>
  
  <p>Like this? Where should I put print "hello world" method?</p>