Spring Boot in Practice
The Spring Boot behaviour that actually bites in production — proxies, transactions, JPA fetching, config precedence, and test slices.
Twenty questions on the parts of Spring Boot that tend to surprise people in production rather than in tutorials: proxy boundaries, transaction semantics, JPA fetching, configuration precedence, and how much of the context a test slice actually loads.
You get a score at the end, not a breakdown — the point is to notice which areas you are unsure about, then go read the reference rather than memorise an answer key.
Leaderboard
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Grading happens on the server, so this part needs a connection.
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