Spring Cron Expression

0 0/5 * * * ?     ==>Fire at every 5 mins.
0 0/10 * * * ?   ==>Fire at every 10 mins.
0 0/15 * * * ?   ==>Fire at every 15 mins.

The field order of the cronExpression is

1. Seconds
2. Minutes
3. Hours
4. Day-of-Month
5. Month
6. Day-of-Week
7. Year (optional field)