Using cron expressions allow a great deal of flexibility but are sometimes tricky to write. A detailed description about the cron expression supported by Quartz can be found here.
|Fire every second||* * * * * ?|
|Fire every minute||0 * * * * ?|
|Fire every five minutes||"0 0/5 * * * ?"|
|Fire 23:00 every weekday night||0 0 23 ? * MON-FRI|