I think “How do conditional annotations work?” is one of the most frequently asked Spring Boot interview topics. There’s actually a lot interviewers can explore around this area, like:
How does Spring Boot decide which beans to create automatically?
What is the role of @Conditional behind the scenes?
How do annotations like @ConditionalOnClass, @ConditionalOnMissingBean, and @ConditionalOnProperty really work?
How does this mechanism power Spring Boot auto-configuration?
Great compilation of interview prep material. The explanation around how auto-configuration resolves dependencies based on classpath scanning is spot on. One thing I've found in actaul interviews though is that candidates often know what @EnableAutoConfiguration does but struggle to explain the conditional logic under the hood with @ConditionalOnClass and related annotations, thats usually where the conversation gets deeper and separates people who used it from people who understand it.
Regarding the topic of the article, this list is brillant! What's a tricky aspect of Spring Boot auto-configuration interviewers often probe?
I think “How do conditional annotations work?” is one of the most frequently asked Spring Boot interview topics. There’s actually a lot interviewers can explore around this area, like:
How does Spring Boot decide which beans to create automatically?
What is the role of @Conditional behind the scenes?
How do annotations like @ConditionalOnClass, @ConditionalOnMissingBean, and @ConditionalOnProperty really work?
How does this mechanism power Spring Boot auto-configuration?
Great compilation of interview prep material. The explanation around how auto-configuration resolves dependencies based on classpath scanning is spot on. One thing I've found in actaul interviews though is that candidates often know what @EnableAutoConfiguration does but struggle to explain the conditional logic under the hood with @ConditionalOnClass and related annotations, thats usually where the conversation gets deeper and separates people who used it from people who understand it.
You are right, Conditionals are such an important concepts but very few Java developers understand it correctly.