Spring Boot - Async Processing
Given the cron expression "0 0/15 9-17 * * ?" in a Spring Boot @Scheduled annotation, how often will the task run during working hours?
Given the cron expression "0 0/15 9-17 * * ?" in a Spring Boot @Scheduled annotation, how often will the task run during working hours?
medium📝 component behavior Q4 of 15
Step-by-Step Solution
Solution:
Step 1: Analyze the cron expression parts
"0 0/15 9-17 * * ?" means at 0 seconds, every 15 minutes (0/15) from hour 9 to 17 (5 PM), every day.Step 2: Interpret the schedule
The task runs every 15 minutes starting at 9:00 AM until 5:59 PM (hours 9 through 17).Final Answer:
Every 15 minutes between 9 AM and 5 PM -> Option CQuick Check:
0/15 in minutes + 9-17 hours = every 15 mins during work hours [OK]
Quick Trick: Use '0/15' in minutes for every 15 minutes [OK]
Common Mistakes:
- Thinking 9-17 means only 9 AM and 5 PM
- Confusing 0/15 with every hour
- Ignoring the seconds field
Master "Async Processing" in Spring Boot
Want More Practice?
15+ quiz questions · All difficulty levels · Free
Free Signup - Practice All QuestionsMore Spring Boot Quizzes