Spring Boot - Async Processing
Which of the following is the correct syntax to schedule a method to run every 10 seconds using
@Scheduled annotation?Which of the following is the correct syntax to schedule a method to run every 10 seconds using @Scheduled annotation?
easy📝 Syntax Q3 of 15
Step-by-Step Solution
Solution:
Step 1: Check valid syntax for every 10 seconds
The cron "*/10 * * * * *" uses the seconds field to run every 10 seconds (0,10,20,30,40,50).Step 2: Validate each option
B: quoted string for fixedRate (invalid). C: fixedDelay=10000 delays after method ends (not fixed interval every 10s). D: invalid format. A is correct.Final Answer:
@Scheduled(cron = "*/10 * * * * *") is correct syntax -> Option AQuick Check:
Cron */10 * * * * * = every 10s = A [OK]
Quick Trick: Use numbers without quotes for fixedRate/fixedDelay [OK]
Common Mistakes:
- Putting numbers in quotes for fixedRate/fixedDelay
- Using invalid cron syntax for seconds
- Using unsupported time units like "10s"
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