Spring Boot Interview Prep for Developers | Part-2 | Scheduled Tasks & CRON Expression Explained
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- čas přidán 31. 05. 2024
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Welcome to our comprehensive guide on Spring Boot interview questions and answers! In this video, we delve into crucial concepts that every Spring Boot developer should understand.
In this video we’ll walk you through:
- Enable Scheduling in Spring Boot | Interview Questions Explained
- Difference between FixedDelay and FixedRate in Scheduling
- CRON Expressions in Scheduling
TIMESTAMPS
0:00 Introduction
0:48 Difference between FixedDelay and FixedRate
6:48 Using ASync to run multiple instances in FixedRate
7:51 Understanding CRON Expressions
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Watching this at 3:00 AM, cleared all my doubts. Please keep making such videos
Thank you for watching bhai ❤️
Bro I don't know springboot ,but for using thread we have extend thread or use runnable interface ,but you have not used it,and also you have used throws keyword for exception but no throw keyword in code and any try and catch block ,can you please explain?😅
That’s really good questions 😊
Internally spring boot will use threads to run scheduled task that’s why we didn’t used runnable interface because spring boot will do that internally for us.
When we add throws InterruptedException to a method signature but don’t include a catch block, we are essentially saying that any code calling that method must handle the InterruptedException itself. This is known as “propagating” the exception. If the exception is not caught within the method, it will be passed up the call stack until it reaches a method that does catch or propagate it. If no method handles it, the exception will ultimately result in the termination of the program.
@@CodingwithAmanSahni as interrupted exception is an in-built exception ,the method will catch it if it occurs and if we throws any custom exception then we need to use throw keyword inside the method?
This is good when only single instance of app is running. This is not good in k8s.
Yes you are right but learning this basic knowledge is important 😊👨🏻💻